102121022102111 has 16 divisors (see below), whose sum is σ = 109765098432000. Its totient is φ = 94659433968000.

The previous prime is 102121022102101. The next prime is 102121022102137. The reversal of 102121022102111 is 111201220121201.

It is a cyclic number.

It is not a de Polignac number, because 102121022102111 - 2²² = 102121017907807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102121022102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121022102101) 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, 4024361 + ... + 14847138.

It is an arithmetic number, because the mean of its divisors is an integer number (6860318652000).

Almost surely, 2^{102121022102111} is an apocalyptic number.

102121022102111 is a deficient number, since it is larger than the sum of its proper divisors (7644076329889).

102121022102111 is a wasteful number, since it uses less digits than its factorization.

102121022102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18876334.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121022102111 its reverse (111201220121201), we get a palindrome (213322242223312).

The spelling of 102121022102111 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-two million, one hundred two thousand, one hundred eleven".