202221211122202 has 4 divisors (see below), whose sum is σ = 303331816683306. Its totient is φ = 101110605561100.

The previous prime is 202221211122143. The next prime is 202221211122211. The reversal of 202221211122202 is 202221112122202.

202221211122202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 155487457630521 + 46733753491681 = 12469461^2 + 6836209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555302780549 + ... + 50555302780552.

Almost surely, 2^{202221211122202} is an apocalyptic number.

202221211122202 is a deficient number, since it is larger than the sum of its proper divisors (101110605561104).

202221211122202 is a wasteful number, since it uses less digits than its factorization.

202221211122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110605561103.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202221211122202 its reverse (202221112122202), we get a palindrome (404442323244404).

The spelling of 202221211122202 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twenty-two thousand, two hundred two".