102110211011021 has 16 divisors (see below), whose sum is σ = 107554389196800. Its totient is φ = 96673034299248.

The previous prime is 102110211010961. The next prime is 102110211011057. The reversal of 102110211011021 is 120110112011201.

It is a cyclic number.

It is not a de Polignac number, because 102110211011021 - 2¹⁴ = 102110210994637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102110211010987 and 102110211011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110211011621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749381120 + ... + 749517366.

It is an arithmetic number, because the mean of its divisors is an integer number (6722149324800).

Almost surely, 2^{102110211011021} is an apocalyptic number.

It is an amenable number.

102110211011021 is a deficient number, since it is larger than the sum of its proper divisors (5444178185779).

102110211011021 is a wasteful number, since it uses less digits than its factorization.

102110211011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161648.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102110211011021 its reverse (120110112011201), we get a palindrome (222220323022222).

The spelling of 102110211011021 in words is "one hundred two trillion, one hundred ten billion, two hundred eleven million, eleven thousand, twenty-one".