2113120111138 has 16 divisors (see below), whose sum is σ = 3260198833056. Its totient is φ = 1026641790720.

The previous prime is 2113120111129. The next prime is 2113120111139. The reversal of 2113120111138 is 8311110213112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2113120111139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63639268 + ... + 63672463.

It is an arithmetic number, because the mean of its divisors is an integer number (203762427066).

Almost surely, 2^{2113120111138} is an apocalyptic number.

2113120111138 is a deficient number, since it is larger than the sum of its proper divisors (1147078721918).

2113120111138 is a wasteful number, since it uses less digits than its factorization.

2113120111138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127311969.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 2113120111138 in words is "two trillion, one hundred thirteen billion, one hundred twenty million, one hundred eleven thousand, one hundred thirty-eight".