12111020100102 has 64 divisors (see below), whose sum is σ = 30209623142400. Its totient is φ = 3144603269280.

The previous prime is 12111020100097. The next prime is 12111020100131. The reversal of 12111020100102 is 20100102011121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347202 + ... + 5951957.

It is an arithmetic number, because the mean of its divisors is an integer number (472025361600).

Almost surely, 2^{12111020100102} is an apocalyptic number.

12111020100102 is an abundant number, since it is smaller than the sum of its proper divisors (18098603042298).

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

12111020100102 is a wasteful number, since it uses less digits than its factorization.

12111020100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302001.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12111020100102 its reverse (20100102011121), we get a palindrome (32211122111223).

The spelling of 12111020100102 in words is "twelve trillion, one hundred eleven billion, twenty million, one hundred thousand, one hundred two".