2122320020100 has 72 divisors (see below), whose sum is σ = 7017804873408. Its totient is φ = 485101718400.

The previous prime is 2122320020087. The next prime is 2122320020209. The reversal of 2122320020100 is 10200232212.

It is a happy number.

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 2122320020100.

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, 505312191 + ... + 505316390.

Almost surely, 2^{2122320020100} is an apocalyptic number.

2122320020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122320020100 is an abundant number, since it is smaller than the sum of its proper divisors (4895484853308).

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

2122320020100 is a wasteful number, since it uses less digits than its factorization.

2122320020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010628605 (or 1010628598 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2122320020100 its reverse (10200232212), we get a palindrome (2132520252312).

The spelling of 2122320020100 in words is "two trillion, one hundred twenty-two billion, three hundred twenty million, twenty thousand, one hundred".