2113055100 has 216 divisors, whose sum is σ = 7398016080. Its totient is φ = 520058880.

The previous prime is 2113055099. The next prime is 2113055111. The reversal of 2113055100 is 15503112.

2113055100 is a `hidden beast` number, since 2 + 113 + 0 + 551 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 312556 + ... + 319244.

Almost surely, 2^2113055100 is an apocalyptic number.

2113055100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113055100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699008040).

2113055100 is an abundant number, since it is smaller than the sum of its proper divisors (5284960980).

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

2113055100 is a wasteful number, since it uses less digits than its factorization.

2113055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 2113055100 is about 45967.9790723934. The cubic root of 2113055100 is about 1283.2273498054.

Adding to 2113055100 its reverse (15503112), we get a palindrome (2128558212).

The spelling of 2113055100 in words is "two billion, one hundred thirteen million, fifty-five thousand, one hundred".