2113233111 has 32 divisors (see below), whose sum is σ = 3498647040. Its totient is φ = 1249502400.

The previous prime is 2113233107. The next prime is 2113233113. The reversal of 2113233111 is 1113323112.

It is not a de Polignac number, because 2113233111 - 2² = 2113233107 is a prime.

It is a super-3 number, since 3×2113233111³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113233113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74595 + ... + 98948.

It is an arithmetic number, because the mean of its divisors is an integer number (109332720).

Almost surely, 2^2113233111 is an apocalyptic number.

2113233111 is a deficient number, since it is larger than the sum of its proper divisors (1385413929).

2113233111 is a wasteful number, since it uses less digits than its factorization.

2113233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173604 (or 173598 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 2113233111 is about 45969.9152816274. The cubic root of 2113233111 is about 1283.2633832828.

Adding to 2113233111 its reverse (1113323112), we get a palindrome (3226556223).

Subtracting from 2113233111 its reverse (1113323112), we obtain a palindrome (999909999).

The spelling of 2113233111 in words is "two billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred eleven".