2120201033100 has 72 divisors (see below), whose sum is σ = 6136110836688. Its totient is φ = 565233715200.

The previous prime is 2120201033089. The next prime is 2120201033123. The reversal of 2120201033100 is 13301020212.

It is a super-2 number, since 2×2120201033100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120201033100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153280 + ... + 2064920.

Almost surely, 2^{2120201033100} is an apocalyptic number.

2120201033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120201033100 is an abundant number, since it is smaller than the sum of its proper divisors (4015909803588).

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

2120201033100 is a wasteful number, since it uses less digits than its factorization.

2120201033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915355 (or 1915348 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2120201033100 its reverse (13301020212), we get a palindrome (2133502053312).

The spelling of 2120201033100 in words is "two trillion, one hundred twenty billion, two hundred one million, thirty-three thousand, one hundred".