102210012111111 has 64 divisors (see below), whose sum is σ = 142526041405440. Its totient is φ = 65114875330560.

The previous prime is 102210012111079. The next prime is 102210012111139. The reversal of 102210012111111 is 111111210012201.

It is not a de Polignac number, because 102210012111111 - 2⁵ = 102210012111079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210012116111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301885026 + ... + 302223408.

It is an arithmetic number, because the mean of its divisors is an integer number (2226969396960).

Almost surely, 2^{102210012111111} is an apocalyptic number.

102210012111111 is a deficient number, since it is larger than the sum of its proper divisors (40316029294329).

102210012111111 is a wasteful number, since it uses less digits than its factorization.

102210012111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338856.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102210012111111 its reverse (111111210012201), we get a palindrome (213321222123312).

The spelling of 102210012111111 in words is "one hundred two trillion, two hundred ten billion, twelve million, one hundred eleven thousand, one hundred eleven".