12021111113310 has 96 divisors (see below), whose sum is σ = 34711847606880. Its totient is φ = 2959042724352.

The previous prime is 12021111113299. The next prime is 12021111113369. The reversal of 12021111113310 is 1331111112021.

12021111113310 is a `hidden beast` number, since 1 + 20 + 211 + 11 + 113 + 310 = 666.

It is a super-2 number, since 2×12021111113310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131678139 + ... + 131769398.

It is an arithmetic number, because the mean of its divisors is an integer number (361581745905).

Almost surely, 2^{12021111113310} is an apocalyptic number.

12021111113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021111113310 is an abundant number, since it is smaller than the sum of its proper divisors (22690736493570).

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

12021111113310 is a wasteful number, since it uses less digits than its factorization.

12021111113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263447579 (or 263447560 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12021111113310 its reverse (1331111112021), we get a palindrome (13352222225331).

The spelling of 12021111113310 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred thirteen thousand, three hundred ten".