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10210221012222 = 234711818520203
BaseRepresentation
bin1001010010010100000010…
…0110001011010011111110
31100011002100212011011020000
42110211000212023103332
52314241013034342342
633414302154535130
72102443536433620
oct224450046132376
940132325134200
1010210221012222
113287148643a60
12118a9864374a6
13590a86b9820a
1427426a864c10
1512a8d088044c
hex9494098b4fe

10210221012222 has 80 divisors (see below), whose sum is σ = 28523792068992. Its totient is φ = 2652005454480.

The previous prime is 10210221012217. The next prime is 10210221012239. The reversal of 10210221012222 is 22221012201201.

It is a happy number.

10210221012222 is a `hidden beast` number, since 1 + 0 + 210 + 221 + 0 + 12 + 222 = 666.

It is a super-2 number, since 2×102102210122222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10210221012195 and 10210221012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 409247628 + ... + 409272575.

Almost surely, 210210221012222 is an apocalyptic number.

10210221012222 is an abundant number, since it is smaller than the sum of its proper divisors (18313571056770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210221012222 is a wasteful number, since it uses less digits than its factorization.

10210221012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818520235 (or 818520226 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10210221012222 its reverse (22221012201201), we get a palindrome (32431233213423).

The spelling of 10210221012222 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 81 99 126 154 162 189 198 231 297 378 462 567 594 693 891 1134 1386 1782 2079 4158 6237 12474 818520203 1637040406 2455560609 4911121218 5729641421 7366681827 9003722233 11459282842 14733363654 17188924263 18007444466 22100045481 27011166699 34377848526 44200090962 51566772789 54022333398 63026055631 66300136443 81033500097 103133545578 126052111262 132600272886 154700318367 162067000194 189078166893 243100500291 309400636734 378156333786 464100955101 486201000582 567234500679 729301500873 928201910202 1134469001358 1458603001746 1701703502037 3403407004074 5105110506111 10210221012222