200021122111112 has 16 divisors (see below), whose sum is σ = 383761455213840. Its totient is φ = 97684734054096.

The previous prime is 200021122111039. The next prime is 200021122111121. The reversal of 200021122111112 is 211111221120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290728374818 + ... + 290728375505.

It is an arithmetic number, because the mean of its divisors is an integer number (23985090950865).

Almost surely, 2^{200021122111112} is an apocalyptic number.

It is an amenable number.

200021122111112 is a deficient number, since it is larger than the sum of its proper divisors (183740333102728).

200021122111112 is a wasteful number, since it uses less digits than its factorization.

200021122111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581456750372 (or 581456750368 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200021122111112 its reverse (211111221120002), we get a palindrome (411132343231114).

The spelling of 200021122111112 in words is "two hundred trillion, twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".