200021101988 has 12 divisors (see below), whose sum is σ = 351695872752. Its totient is φ = 99536566920.

The previous prime is 200021101979. The next prime is 200021101997. The reversal of 200021101988 is 889101120002.

It is an interprime number because it is at equal distance from previous prime (200021101979) and next prime (200021101997).

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, 118495070 + ... + 118496757.

It is an arithmetic number, because the mean of its divisors is an integer number (29307989396).

Almost surely, 2^200021101988 is an apocalyptic number.

It is an amenable number.

200021101988 is a deficient number, since it is larger than the sum of its proper divisors (151674770764).

200021101988 is a wasteful number, since it uses less digits than its factorization.

200021101988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236992042 (or 236992040 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 200021101988 in words is "two hundred billion, twenty-one million, one hundred one thousand, nine hundred eighty-eight".