202221002221002 has 32 divisors (see below), whose sum is σ = 453829311927360. Its totient is φ = 66739604691600.

The previous prime is 202221002220961. The next prime is 202221002221037. The reversal of 202221002221002 is 200122200122202.

202221002221002 is a `hidden beast` number, since 20 + 222 + 100 + 222 + 100 + 2 = 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 15 ways as a sum of consecutive naturals, for example, 18538773628 + ... + 18538784535.

It is an arithmetic number, because the mean of its divisors is an integer number (14182165997730).

Almost surely, 2^{202221002221002} is an apocalyptic number.

202221002221002 is an abundant number, since it is smaller than the sum of its proper divisors (251608309706358).

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

202221002221002 is a wasteful number, since it uses less digits than its factorization.

202221002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37077558275 (or 37077558269 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202221002221002 its reverse (200122200122202), we get a palindrome (402343202343204).

The spelling of 202221002221002 in words is "two hundred two trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, two".