2112232210331 has 4 divisors (see below), whose sum is σ = 2131610487600. Its totient is φ = 2092853933064.

The previous prime is 2112232210273. The next prime is 2112232210337. The reversal of 2112232210331 is 1330122322112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112232210331 - 2²² = 2112228016027 is a prime.

It is a super-2 number, since 2×2112232210331² (a number of 25 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 = 2112232210297 and 2112232210306.

It is not an unprimeable number, because it can be changed into a prime (2112232210337) 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, 9689138471 + ... + 9689138688.

It is an arithmetic number, because the mean of its divisors is an integer number (532902621900).

Almost surely, 2^{2112232210331} is an apocalyptic number.

2112232210331 is a deficient number, since it is larger than the sum of its proper divisors (19378277269).

2112232210331 is a wasteful number, since it uses less digits than its factorization.

2112232210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378277268.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2112232210331 its reverse (1330122322112), we get a palindrome (3442354532443).

The spelling of 2112232210331 in words is "two trillion, one hundred twelve billion, two hundred thirty-two million, two hundred ten thousand, three hundred thirty-one".