2100320232210 has 80 divisors (see below), whose sum is σ = 5647985209152. Its totient is φ = 560040026400.

The previous prime is 2100320232181. The next prime is 2100320232211. The reversal of 2100320232210 is 122320230012.

2100320232210 is a `hidden beast` number, since 2 + 10 + 0 + 320 + 2 + 322 + 10 = 666.

It is a super-2 number, since 2×2100320232210² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2100320232211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10570075 + ... + 10766945.

Almost surely, 2^{2100320232210} is an apocalyptic number.

2100320232210 is an abundant number, since it is smaller than the sum of its proper divisors (3547664976942).

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

2100320232210 is a wasteful number, since it uses less digits than its factorization.

2100320232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210061 (or 210052 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2100320232210 its reverse (122320230012), we get a palindrome (2222640462222).

The spelling of 2100320232210 in words is "two trillion, one hundred billion, three hundred twenty million, two hundred thirty-two thousand, two hundred ten".