200122012100 has 36 divisors (see below), whose sum is σ = 434980326144. Its totient is φ = 79916904480.

The previous prime is 200122012093. The next prime is 200122012141. The reversal of 200122012100 is 1210221002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1587752 + ... + 1709151.

Almost surely, 2^200122012100 is an apocalyptic number.

200122012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122012100 is an abundant number, since it is smaller than the sum of its proper divisors (234858314044).

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

200122012100 is a wasteful number, since it uses less digits than its factorization.

200122012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297524 (or 3297517 counting only the distinct ones).

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

Adding to 200122012100 its reverse (1210221002), we get a palindrome (201332233102).

The spelling of 200122012100 in words is "two hundred billion, one hundred twenty-two million, twelve thousand, one hundred".