202102120202 has 4 divisors (see below), whose sum is σ = 303153180306. Its totient is φ = 101051060100.

The previous prime is 202102120189. The next prime is 202102120229. The reversal of 202102120202 is 202021201202.

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., 161193417121 + 40908703081 = 401489^2 + 202259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50525530049 + ... + 50525530052.

Almost surely, 2^202102120202 is an apocalyptic number.

202102120202 is a deficient number, since it is larger than the sum of its proper divisors (101051060104).

202102120202 is a wasteful number, since it uses less digits than its factorization.

202102120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101051060103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202102120202 its reverse (202021201202), we get a palindrome (404123321404).

It can be divided in two parts, 20210 and 2120202, that added together give a palindrome (2140412).

The spelling of 202102120202 in words is "two hundred two billion, one hundred two million, one hundred twenty thousand, two hundred two".