200122221000 has 128 divisors (see below), whose sum is σ = 672410793600. Its totient is φ = 49260844800.

The previous prime is 200122220999. The next prime is 200122221023. The reversal of 200122221000 is 122221002.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 31 ways as a sum of consecutive naturals, for example, 2526670 + ... + 2604669.

It is an arithmetic number, because the mean of its divisors is an integer number (5253209325).

Almost surely, 2^200122221000 is an apocalyptic number.

200122221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122221000 is an abundant number, since it is smaller than the sum of its proper divisors (472288572600).

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

200122221000 is a wasteful number, since it uses less digits than its factorization.

200122221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131376 (or 5131362 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200122221000 its reverse (122221002), we get a palindrome (200244442002).

The spelling of 200122221000 in words is "two hundred billion, one hundred twenty-two million, two hundred twenty-one thousand".