2113101040 has 20 divisors (see below), whose sum is σ = 4912960104. Its totient is φ = 845240384.

The previous prime is 2113100993. The next prime is 2113101047. The reversal of 2113101040 is 401013112.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2113101040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113101047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13206802 + ... + 13206961.

Almost surely, 2^2113101040 is an apocalyptic number.

2113101040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113101040 is an abundant number, since it is smaller than the sum of its proper divisors (2799859064).

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

2113101040 is a wasteful number, since it uses less digits than its factorization.

2113101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26413776 (or 26413770 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2113101040 is about 45968.4787653453. The cubic root of 2113101040 is about 1283.2366493006.

Adding to 2113101040 its reverse (401013112), we get a palindrome (2514114152).

The spelling of 2113101040 in words is "two billion, one hundred thirteen million, one hundred one thousand, forty".