2113243100 has 36 divisors (see below), whose sum is σ = 4609788288. Its totient is φ = 840864000.

The previous prime is 2113243081. The next prime is 2113243141. The reversal of 2113243100 is 13423112.

It is a super-2 number, since 2×2113243100² = 8931592799395220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36221 + ... + 74420.

Almost surely, 2^2113243100 is an apocalyptic number.

2113243100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113243100 is an abundant number, since it is smaller than the sum of its proper divisors (2496545188).

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

2113243100 is a wasteful number, since it uses less digits than its factorization.

2113243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110846 (or 110839 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2113243100 is about 45970.0239286429. The cubic root of 2113243100 is about 1283.2654052237.

Adding to 2113243100 its reverse (13423112), we get a palindrome (2126666212).

The spelling of 2113243100 in words is "two billion, one hundred thirteen million, two hundred forty-three thousand, one hundred".