2113023100 has 18 divisors (see below), whose sum is σ = 4585260344. Its totient is φ = 845209200.

The previous prime is 2113023091. The next prime is 2113023127. The reversal of 2113023100 is 13203112.

It is a super-2 number, since 2×2113023100² = 8929733242267220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10565016 + ... + 10565215.

Almost surely, 2^2113023100 is an apocalyptic number.

2113023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113023100 is an abundant number, since it is smaller than the sum of its proper divisors (2472237244).

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

2113023100 is a wasteful number, since it uses less digits than its factorization.

2113023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130245 (or 21130238 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2113023100 is about 45967.6310026958. The cubic root of 2113023100 is about 1283.2208720626.

Adding to 2113023100 its reverse (13203112), we get a palindrome (2126226212).

The spelling of 2113023100 in words is "two billion, one hundred thirteen million, twenty-three thousand, one hundred".