200122120100 has 54 divisors (see below), whose sum is σ = 505165421250. Its totient is φ = 68613296640.

The previous prime is 200122120087. The next prime is 200122120111. The reversal of 200122120100 is 1021221002.

It is a happy number.

200122120100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3275501824 + 196846618276 = 57232^2 + 443674^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 20415725 + ... + 20425524.

Almost surely, 2^200122120100 is an apocalyptic number.

200122120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122120100 is an abundant number, since it is smaller than the sum of its proper divisors (305043301150).

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

200122120100 is a wasteful number, since it uses less digits than its factorization.

200122120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40841277 (or 40841263 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200122120100 its reverse (1021221002), we get a palindrome (201143341102).

The spelling of 200122120100 in words is "two hundred billion, one hundred twenty-two million, one hundred twenty thousand, one hundred".