2113111033044 has 48 divisors (see below), whose sum is σ = 5439264384960. Its totient is φ = 633141879040.

The previous prime is 2113111033013. The next prime is 2113111033073. The reversal of 2113111033044 is 4403301113112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89923179 + ... + 89946674.

It is an arithmetic number, because the mean of its divisors is an integer number (113318008020).

Almost surely, 2^{2113111033044} is an apocalyptic number.

It is an amenable number.

2113111033044 is an abundant number, since it is smaller than the sum of its proper divisors (3326153351916).

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

2113111033044 is a wasteful number, since it uses less digits than its factorization.

2113111033044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179869960 (or 179869958 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2113111033044 its reverse (4403301113112), we get a palindrome (6516412146156).

The spelling of 2113111033044 in words is "two trillion, one hundred thirteen billion, one hundred eleven million, thirty-three thousand, forty-four".