102100111210122 has 32 divisors (see below), whose sum is σ = 206122539696000. Its totient is φ = 33714477834048.

The previous prime is 102100111210109. The next prime is 102100111210127. The reversal of 102100111210122 is 221012111001201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102100111210127) 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, 186431773 + ... + 186978624.

It is an arithmetic number, because the mean of its divisors is an integer number (6441329365500).

Almost surely, 2^{102100111210122} is an apocalyptic number.

102100111210122 is an abundant number, since it is smaller than the sum of its proper divisors (104022428485878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102100111210122 is a wasteful number, since it uses less digits than its factorization.

102100111210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373410830.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102100111210122 its reverse (221012111001201), we get a palindrome (323112222211323).

The spelling of 102100111210122 in words is "one hundred two trillion, one hundred billion, one hundred eleven million, two hundred ten thousand, one hundred twenty-two".