2113133111 has 8 divisors (see below), whose sum is σ = 2187267600. Its totient is φ = 2039083200.

The previous prime is 2113133101. The next prime is 2113133129. The reversal of 2113133111 is 1113313112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113133111 - 2²⁶ = 2046024247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113133111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113133101) 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, 32000 + ... + 72458.

It is an arithmetic number, because the mean of its divisors is an integer number (273408450).

Almost surely, 2^2113133111 is an apocalyptic number.

2113133111 is a deficient number, since it is larger than the sum of its proper divisors (74134489).

2113133111 is a wasteful number, since it uses less digits than its factorization.

2113133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42289.

The product of its digits is 54, while the sum is 17.

The square root of 2113133111 is about 45968.8276008862. The cubic root of 2113133111 is about 1283.2431412562.

Adding to 2113133111 its reverse (1113313112), we get a palindrome (3226446223).

The spelling of 2113133111 in words is "two billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred eleven".