200121022112 has 24 divisors (see below), whose sum is σ = 429805377792. Its totient is φ = 90964100800.

The previous prime is 200121022103. The next prime is 200121022117. The reversal of 200121022112 is 211220121002.

It is not an unprimeable number, because it can be changed into a prime (200121022117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284262464 + ... + 284263167.

It is an arithmetic number, because the mean of its divisors is an integer number (17908557408).

Almost surely, 2^200121022112 is an apocalyptic number.

200121022112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200121022112 is an abundant number, since it is smaller than the sum of its proper divisors (229684355680).

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

200121022112 is a wasteful number, since it uses less digits than its factorization.

200121022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568525652 (or 568525644 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200121022112 its reverse (211220121002), we get a palindrome (411341143114).

The spelling of 200121022112 in words is "two hundred billion, one hundred twenty-one million, twenty-two thousand, one hundred twelve".