2113111140144 has 40 divisors (see below), whose sum is σ = 5459547969840. Its totient is φ = 704282957568.

The previous prime is 2113111140109. The next prime is 2113111140149. The reversal of 2113111140144 is 4410411113112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2113111140149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340607 + ... + 3115230.

It is an arithmetic number, because the mean of its divisors is an integer number (136488699246).

Almost surely, 2^{2113111140144} is an apocalyptic number.

2113111140144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113111140144 is an abundant number, since it is smaller than the sum of its proper divisors (3346436829696).

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

2113111140144 is a wasteful number, since it uses less digits than its factorization.

2113111140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463917 (or 5463911 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 2113111140144 its reverse (4410411113112), we get a palindrome (6523522253256).

The spelling of 2113111140144 in words is "two trillion, one hundred thirteen billion, one hundred eleven million, one hundred forty thousand, one hundred forty-four".