2131323211112 has 16 divisors (see below), whose sum is σ = 4206558969600. Its totient is φ = 1009574152560.

The previous prime is 2131323211103. The next prime is 2131323211117. The reversal of 2131323211112 is 2111123231312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131323211117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7010931464 + ... + 7010931767.

It is an arithmetic number, because the mean of its divisors is an integer number (262909935600).

Almost surely, 2^{2131323211112} is an apocalyptic number.

It is an amenable number.

2131323211112 is a deficient number, since it is larger than the sum of its proper divisors (2075235758488).

2131323211112 is a wasteful number, since it uses less digits than its factorization.

2131323211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021863256 (or 14021863252 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 2131323211112 its reverse (2111123231312), we get a palindrome (4242446442424).

The spelling of 2131323211112 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred eleven thousand, one hundred twelve".