200021221110 has 32 divisors (see below), whose sum is σ = 505316770560. Its totient is φ = 50531676768.

The previous prime is 200021221097. The next prime is 200021221207. The reversal of 200021221110 is 11122120002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175456642 + ... + 175457781.

It is an arithmetic number, because the mean of its divisors is an integer number (15791149080).

Almost surely, 2^200021221110 is an apocalyptic number.

200021221110 is an abundant number, since it is smaller than the sum of its proper divisors (305295549450).

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

200021221110 is a wasteful number, since it uses less digits than its factorization.

200021221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350914452.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200021221110 its reverse (11122120002), we get a palindrome (211143341112).

The spelling of 200021221110 in words is "two hundred billion, twenty-one million, two hundred twenty-one thousand, one hundred ten".