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211211102122022 = 21721237295405927
BaseRepresentation
bin110000000001100001101010…
…101101101111000000100110
31000200211120202212011122200202
4300001201222231233000212
5210140440314120401042
62025113012452110502
762326333002111632
oct6001415255570046
91020746685148622
10211211102122022
1161331141982012
121b832162905432
1390b1176b34072
143a22959931dc2
1519641436d0632
hexc0186ab6f026

211211102122022 has 24 divisors (see below), whose sum is σ = 336821248293744. Its totient is φ = 99313109073792.

The previous prime is 211211102121947. The next prime is 211211102122051. The reversal of 211211102122022 is 220221201112112.

It is a super-2 number, since 2×2112111021220222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211102121985 and 211211102122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146987978 + ... + 148417949.

It is an arithmetic number, because the mean of its divisors is an integer number (14034218678906).

Almost surely, 2211211102122022 is an apocalyptic number.

211211102122022 is a deficient number, since it is larger than the sum of its proper divisors (125610146171722).

211211102122022 is a wasteful number, since it uses less digits than its factorization.

211211102122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295407200 (or 295407183 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211211102122022 its reverse (220221201112112), we get a palindrome (431432303234134).

The spelling of 211211102122022 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 17 34 289 578 1237 2474 21029 42058 357493 714986 295405927 590811854 5021900759 10043801518 85372312903 170744625806 365417131699 730834263398 6212091238883 12424182477766 105605551061011 211211102122022