200011121988 has 24 divisors (see below), whose sum is σ = 468629108640. Its totient is φ = 66393732480.

The previous prime is 200011121971. The next prime is 200011122007. The reversal of 200011121988 is 889121110002.

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 7 ways as a sum of consecutive naturals, for example, 34577178 + ... + 34582961.

It is an arithmetic number, because the mean of its divisors is an integer number (19526212860).

Almost surely, 2^200011121988 is an apocalyptic number.

It is an amenable number.

200011121988 is an abundant number, since it is smaller than the sum of its proper divisors (268617986652).

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

200011121988 is a wasteful number, since it uses less digits than its factorization.

200011121988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69160387 (or 69160385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The spelling of 200011121988 in words is "two hundred billion, eleven million, one hundred twenty-one thousand, nine hundred eighty-eight".