12111102021000 has 128 divisors (see below), whose sum is σ = 37790402981760. Its totient is φ = 3229305440000.

The previous prime is 12111102020917. The next prime is 12111102021043. The reversal of 12111102021000 is 12020111121.

12111102021000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 30707047 + ... + 31098953.

It is an arithmetic number, because the mean of its divisors is an integer number (295237523295).

Almost surely, 2^{12111102021000} is an apocalyptic number.

12111102021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111102021000 is an abundant number, since it is smaller than the sum of its proper divisors (25679300960760).

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

12111102021000 is a wasteful number, since it uses less digits than its factorization.

12111102021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402232 (or 402218 counting only the distinct ones).

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

Adding to 12111102021000 its reverse (12020111121), we get a palindrome (12123122132121).

The spelling of 12111102021000 in words is "twelve trillion, one hundred eleven billion, one hundred two million, twenty-one thousand".