2331211012112 has 80 divisors (see below), whose sum is σ = 4952591138880. Its totient is φ = 1058617491456.

The previous prime is 2331211012111. The next prime is 2331211012139. The reversal of 2331211012112 is 2112101121332.

It is not an unprimeable number, because it can be changed into a prime (2331211012111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229937 + ... + 2171472.

It is an arithmetic number, because the mean of its divisors is an integer number (61907389236).

Almost surely, 2^{2331211012112} is an apocalyptic number.

It is an amenable number.

2331211012112 is an abundant number, since it is smaller than the sum of its proper divisors (2621380126768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331211012112 is a wasteful number, since it uses less digits than its factorization.

2331211012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401560 (or 2401554 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2331211012112 its reverse (2112101121332), we get a palindrome (4443312133444).

The spelling of 2331211012112 in words is "two trillion, three hundred thirty-one billion, two hundred eleven million, twelve thousand, one hundred twelve".