202221102112 has 24 divisors (see below), whose sum is σ = 398132817516. Its totient is φ = 101108005632.

The previous prime is 202221102107. The next prime is 202221102131. The reversal of 202221102112 is 211201122202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149153529616 + 53067572496 = 386204^2 + 230364^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413758 + ... + 2496130.

Almost surely, 2^202221102112 is an apocalyptic number.

It is an amenable number.

202221102112 is a deficient number, since it is larger than the sum of its proper divisors (195911715404).

202221102112 is an equidigital number, since it uses as much as digits as its factorization.

202221102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159100 (or 159092 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202221102112 its reverse (211201122202), we get a palindrome (413422224314).

The spelling of 202221102112 in words is "two hundred two billion, two hundred twenty-one million, one hundred two thousand, one hundred twelve".