202122000202 has 4 divisors (see below), whose sum is σ = 303183000306. Its totient is φ = 101061000100.

The previous prime is 202122000163. The next prime is 202122000233. The reversal of 202122000202 is 202000221202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146313135081 + 55808865121 = 382509^2 + 236239^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530500049 + ... + 50530500052.

Almost surely, 2^202122000202 is an apocalyptic number.

202122000202 is a deficient number, since it is larger than the sum of its proper divisors (101061000104).

202122000202 is a wasteful number, since it uses less digits than its factorization.

202122000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101061000103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202122000202 its reverse (202000221202), we get a palindrome (404122221404).

The spelling of 202122000202 in words is "two hundred two billion, one hundred twenty-two million, two hundred two", and thus it is an aban number.