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10210221100021 = 107136769804409
BaseRepresentation
bin1001010010010100000010…
…0110100000101111110101
31100011002100212022121122211
42110211000212200233311
52314241013100200041
633414302200453421
72102443540250605
oct224450046405765
940132325277584
1010210221100021
1132871486a3a18
12118a98647a271
13590a86bc9177
1427426a888c05
1512a8d089b481
hex949409a0bf5

10210221100021 has 8 divisors (see below), whose sum is σ = 10313182751040. Its totient is φ = 10107399060768.

The previous prime is 10210221099997. The next prime is 10210221100097. The reversal of 10210221100021 is 12000112201201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10210221100021 - 225 = 10210187545589 is a prime.

It is a super-2 number, since 2×102102211000212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210221099974 and 10210221100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210221101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34755936 + ... + 35048473.

It is an arithmetic number, because the mean of its divisors is an integer number (1289147843880).

Almost surely, 210210221100021 is an apocalyptic number.

It is an amenable number.

10210221100021 is a deficient number, since it is larger than the sum of its proper divisors (102961651019).

10210221100021 is a wasteful number, since it uses less digits than its factorization.

10210221100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69805883.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210221100021 its reverse (12000112201201), we get a palindrome (22210333301222).

The spelling of 10210221100021 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, one hundred thousand, twenty-one".

Divisors: 1 107 1367 146269 69804409 7469071763 95422627103 10210221100021