200021122210 has 96 divisors (see below), whose sum is σ = 444535451136. Its totient is φ = 63102240000.

The previous prime is 200021122201. The next prime is 200021122219. The reversal of 200021122210 is 12221120002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200021122201) and next prime (200021122219).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021122219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266339335 + ... + 266340085.

It is an arithmetic number, because the mean of its divisors is an integer number (4630577616).

Almost surely, 2^200021122210 is an apocalyptic number.

200021122210 is an abundant number, since it is smaller than the sum of its proper divisors (244514328926).

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

200021122210 is an equidigital number, since it uses as much as digits as its factorization.

200021122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200021122210 its reverse (12221120002), we get a palindrome (212242242212).

The spelling of 200021122210 in words is "two hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred ten".