200221122210 has 32 divisors (see below), whose sum is σ = 480584136960. Its totient is φ = 53386361088.

The previous prime is 200221122151. The next prime is 200221122217. The reversal of 200221122210 is 12221122002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200221122210.

It is not an unprimeable number, because it can be changed into a prime (200221122217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93495 + ... + 639674.

It is an arithmetic number, because the mean of its divisors is an integer number (15018254280).

Almost surely, 2^200221122210 is an apocalyptic number.

200221122210 is an abundant number, since it is smaller than the sum of its proper divisors (280363014750).

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

200221122210 is a wasteful number, since it uses less digits than its factorization.

200221122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742282.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200221122210 its reverse (12221122002), we get a palindrome (212442244212).

The spelling of 200221122210 in words is "two hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".