2111233231312 has 20 divisors (see below), whose sum is σ = 4092560728000. Its totient is φ = 1055088527328.

The previous prime is 2111233231231. The next prime is 2111233231319. The reversal of 2111233231312 is 2131323321112.

It is a super-2 number, since 2×2111233231312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111233231319) 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, 32972538 + ... + 33036505.

It is an arithmetic number, because the mean of its divisors is an integer number (204628036400).

Almost surely, 2^{2111233231312} is an apocalyptic number.

It is an amenable number.

2111233231312 is a deficient number, since it is larger than the sum of its proper divisors (1981327496688).

2111233231312 is a wasteful number, since it uses less digits than its factorization.

2111233231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66011050 (or 66011044 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 2111233231312 its reverse (2131323321112), we get a palindrome (4242556552424).

The spelling of 2111233231312 in words is "two trillion, one hundred eleven billion, two hundred thirty-three million, two hundred thirty-one thousand, three hundred twelve".