12110021131 has 8 divisors (see below), whose sum is σ = 13042673280. Its totient is φ = 11177527872.

The previous prime is 12110021123. The next prime is 12110021141. The reversal of 12110021131 is 13112001121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12110021131 - 2³ = 12110021123 is a prime.

It is a super-2 number, since 2×12110021131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12110021141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153375 + ... + 218503.

It is an arithmetic number, because the mean of its divisors is an integer number (1630334160).

Almost surely, 2^12110021131 is an apocalyptic number.

12110021131 is a deficient number, since it is larger than the sum of its proper divisors (932652149).

12110021131 is a wasteful number, since it uses less digits than its factorization.

12110021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79445.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12110021131 its reverse (13112001121), we get a palindrome (25222022252).

The spelling of 12110021131 in words is "twelve billion, one hundred ten million, twenty-one thousand, one hundred thirty-one".