12102021111110 has 16 divisors (see below), whose sum is σ = 24895586285856. Its totient is φ = 4149264380928.

The previous prime is 12102021111053. The next prime is 12102021111139. The reversal of 12102021111110 is 1111112020121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 86443007867 + ... + 86443008006.

It is an arithmetic number, because the mean of its divisors is an integer number (1555974142866).

Almost surely, 2^{12102021111110} is an apocalyptic number.

12102021111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102021111110 is an abundant number, since it is smaller than the sum of its proper divisors (12793565174746).

12102021111110 is a wasteful number, since it uses less digits than its factorization.

12102021111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172886015887.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12102021111110 its reverse (1111112020121), we get a palindrome (13213133131231).

The spelling of 12102021111110 in words is "twelve trillion, one hundred two billion, twenty-one million, one hundred eleven thousand, one hundred ten".