12021113113331 has 8 divisors (see below), whose sum is σ = 14212153434720. Its totient is φ = 9948507403968.

The previous prime is 12021113113271. The next prime is 12021113113349. The reversal of 12021113113331 is 13331131112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12021113113331 is a prime.

It is a super-2 number, since 2×12021113113331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021113113297 and 12021113113306.

It is not an unprimeable number, because it can be changed into a prime (12021113113381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29608652786 + ... + 29608653191.

It is an arithmetic number, because the mean of its divisors is an integer number (1776519179340).

Almost surely, 2^{12021113113331} is an apocalyptic number.

12021113113331 is a deficient number, since it is larger than the sum of its proper divisors (2191040321389).

12021113113331 is an equidigital number, since it uses as much as digits as its factorization.

12021113113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59217306013.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 12021113113331 its reverse (13331131112021), we get a palindrome (25352244225352).

The spelling of 12021113113331 in words is "twelve trillion, twenty-one billion, one hundred thirteen million, one hundred thirteen thousand, three hundred thirty-one".