2113103212 has 48 divisors (see below), whose sum is σ = 4211776800. Its totient is φ = 918812160.

The previous prime is 2113103171. The next prime is 2113103243. The reversal of 2113103212 is 2123013112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131488 + ... + 146680.

It is an arithmetic number, because the mean of its divisors is an integer number (87745350).

Almost surely, 2^2113103212 is an apocalyptic number.

2113103212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2113103212 is a deficient number, since it is larger than the sum of its proper divisors (2098673588).

2113103212 is a wasteful number, since it uses less digits than its factorization.

2113103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15346 (or 15344 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113103212 is about 45968.5023902237. The cubic root of 2113103212 is about 1283.2370889686.

Adding to 2113103212 its reverse (2123013112), we get a palindrome (4236116324).

The spelling of 2113103212 in words is "two billion, one hundred thirteen million, one hundred three thousand, two hundred twelve".