202121112202 has 8 divisors (see below), whose sum is σ = 303184317312. Its totient is φ = 101059673100.

The previous prime is 202121112173. The next prime is 202121112253. The reversal of 202121112202 is 202211121202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103674 + ... + 644197.

It is an arithmetic number, because the mean of its divisors is an integer number (37898039664).

Almost surely, 2^202121112202 is an apocalyptic number.

202121112202 is a deficient number, since it is larger than the sum of its proper divisors (101063205110).

202121112202 is a wasteful number, since it uses less digits than its factorization.

202121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883004.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202121112202 its reverse (202211121202), we get a palindrome (404332233404).

The spelling of 202121112202 in words is "two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".