202201112220210 has 48 divisors (see below), whose sum is σ = 545194109992896. Its totient is φ = 53920296591408.

The previous prime is 202201112220131. The next prime is 202201112220287. The reversal of 202201112220210 is 12022211102202.

It is a happy number.

202201112220210 is a `hidden beast` number, since 2 + 0 + 220 + 1 + 1 + 12 + 220 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41605164694 + ... + 41605169553.

It is an arithmetic number, because the mean of its divisors is an integer number (11358210624852).

Almost surely, 2^{202201112220210} is an apocalyptic number.

202201112220210 is an abundant number, since it is smaller than the sum of its proper divisors (342992997772686).

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

202201112220210 is an equidigital number, since it uses as much as digits as its factorization.

202201112220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83210334269 (or 83210334257 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202201112220210 its reverse (12022211102202), we get a palindrome (214223323322412).

The spelling of 202201112220210 in words is "two hundred two trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, two hundred ten".