202112201022002 has 24 divisors (see below), whose sum is σ = 313999117587012. Its totient is φ = 97566357268800.

The previous prime is 202112201021989. The next prime is 202112201022073. The reversal of 202112201022002 is 200220102211202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 166254488148841 + 35857712873161 = 12893971^2 + 5988131^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29498852 + ... + 35698832.

Almost surely, 2^{202112201022002} is an apocalyptic number.

202112201022002 is a deficient number, since it is larger than the sum of its proper divisors (111886916565010).

202112201022002 is a wasteful number, since it uses less digits than its factorization.

202112201022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219422 (or 6219393 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202112201022002 its reverse (200220102211202), we get a palindrome (402332303233204).

The spelling of 202112201022002 in words is "two hundred two trillion, one hundred twelve billion, two hundred one million, twenty-two thousand, two".