200021102122 has 16 divisors (see below), whose sum is σ = 302147445600. Its totient is φ = 99306965520.

The previous prime is 200021102101. The next prime is 200021102153. The reversal of 200021102122 is 221201120002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180672 + ... + 657787.

It is an arithmetic number, because the mean of its divisors is an integer number (18884215350).

Almost surely, 2^200021102122 is an apocalyptic number.

200021102122 is a deficient number, since it is larger than the sum of its proper divisors (102126343478).

200021102122 is a wasteful number, since it uses less digits than its factorization.

200021102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839301.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200021102122 its reverse (221201120002), we get a palindrome (421222222124).

The spelling of 200021102122 in words is "two hundred billion, twenty-one million, one hundred two thousand, one hundred twenty-two".