2100302120 has 64 divisors (see below), whose sum is σ = 5476896000. Its totient is φ = 709954560.

The previous prime is 2100302081. The next prime is 2100302129. The reversal of 2100302120 is 212030012.

It is a happy number.

It is a super-2 number, since 2×2100302120² = 8822537990552988800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100302129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32945 + ... + 72704.

It is an arithmetic number, because the mean of its divisors is an integer number (85576500).

Almost surely, 2^2100302120 is an apocalyptic number.

2100302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100302120 is an abundant number, since it is smaller than the sum of its proper divisors (3376593880).

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

2100302120 is a wasteful number, since it uses less digits than its factorization.

2100302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105738 (or 105734 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100302120 is about 45829.0532304563. The cubic root of 2100302120 is about 1280.6405729280.

Adding to 2100302120 its reverse (212030012), we get a palindrome (2312332132).

The spelling of 2100302120 in words is "two billion, one hundred million, three hundred two thousand, one hundred twenty".