2100113023420 has 48 divisors (see below), whose sum is σ = 4432323732480. Its totient is φ = 835844050496.

The previous prime is 2100113023303. The next prime is 2100113023439. The reversal of 2100113023420 is 243203110012.

It is a happy number.

It is a super-2 number, since 2×2100113023420² (a number of 25 digits) 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 15 ways as a sum of consecutive naturals, for example, 5666319 + ... + 6025561.

It is an arithmetic number, because the mean of its divisors is an integer number (92340077760).

Almost surely, 2^{2100113023420} is an apocalyptic number.

2100113023420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100113023420 is an abundant number, since it is smaller than the sum of its proper divisors (2332210709060).

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

2100113023420 is a wasteful number, since it uses less digits than its factorization.

2100113023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360714 (or 360712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2100113023420 its reverse (243203110012), we get a palindrome (2343316133432).

The spelling of 2100113023420 in words is "two trillion, one hundred billion, one hundred thirteen million, twenty-three thousand, four hundred twenty".