12111110102 has 16 divisors (see below), whose sum is σ = 22358972832. Its totient is φ = 4791208320.

The previous prime is 12111110059. The next prime is 12111110113. The reversal of 12111110102 is 20101111121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33272099 + ... + 33272462.

It is an arithmetic number, because the mean of its divisors is an integer number (1397435802).

Almost surely, 2^12111110102 is an apocalyptic number.

12111110102 is a deficient number, since it is larger than the sum of its proper divisors (10247862730).

12111110102 is a wasteful number, since it uses less digits than its factorization.

12111110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66544583.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12111110102 its reverse (20101111121), we get a palindrome (32212221223).

The spelling of 12111110102 in words is "twelve billion, one hundred eleven million, one hundred ten thousand, one hundred two".