2111131021112 has 16 divisors (see below), whose sum is σ = 3958596463200. Its totient is φ = 1055505297600.

The previous prime is 2111131020961. The next prime is 2111131021123. The reversal of 2111131021112 is 2111201311112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7377437 + ... + 7658252.

It is an arithmetic number, because the mean of its divisors is an integer number (247412278950).

Almost surely, 2^{2111131021112} is an apocalyptic number.

It is an amenable number.

2111131021112 is a deficient number, since it is larger than the sum of its proper divisors (1847465442088).

2111131021112 is a wasteful number, since it uses less digits than its factorization.

2111131021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15053246 (or 15053242 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2111131021112 its reverse (2111201311112), we get a palindrome (4222332332224).

The spelling of 2111131021112 in words is "two trillion, one hundred eleven billion, one hundred thirty-one million, twenty-one thousand, one hundred twelve".