2111800081112 has 32 divisors (see below), whose sum is σ = 3969479455200. Its totient is φ = 1053274328064.

The previous prime is 2111800081087. The next prime is 2111800081133.

2111800081112 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7986314 + ... + 8246502.

It is an arithmetic number, because the mean of its divisors is an integer number (124046232975).

Almost surely, 2^{2111800081112} is an apocalyptic number.

It is an amenable number.

2111800081112 is a deficient number, since it is larger than the sum of its proper divisors (1857679374088).

2111800081112 is a wasteful number, since it uses less digits than its factorization.

2111800081112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262715 (or 262711 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 26.

It can be divided in two parts, 21118000 and 81112, that added together give a palindrome (21199112).

The spelling of 2111800081112 in words is "two trillion, one hundred eleven billion, eight hundred million, eighty-one thousand, one hundred twelve".