2100313133220 has 24 divisors (see below), whose sum is σ = 5880876773184. Its totient is φ = 560083502176.

The previous prime is 2100313133207. The next prime is 2100313133299. The reversal of 2100313133220 is 223313130012.

It is a super-2 number, since 2×2100313133220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17502609384 + ... + 17502609503.

It is an arithmetic number, because the mean of its divisors is an integer number (245036532216).

Almost surely, 2^{2100313133220} is an apocalyptic number.

2100313133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100313133220 is an abundant number, since it is smaller than the sum of its proper divisors (3780563639964).

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

2100313133220 is a wasteful number, since it uses less digits than its factorization.

2100313133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35005218899 (or 35005218897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2100313133220 its reverse (223313130012), we get a palindrome (2323626263232).

The spelling of 2100313133220 in words is "two trillion, one hundred billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred twenty".