202221110221202 has 4 divisors (see below), whose sum is σ = 303331665331806. Its totient is φ = 101110555110600.

The previous prime is 202221110221187. The next prime is 202221110221217. The reversal of 202221110221202 is 202122011122202.

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

It is an interprime number because it is at equal distance from previous prime (202221110221187) and next prime (202221110221217).

It can be written as a sum of positive squares in only one way, i.e., 201941976575641 + 279133645561 = 14210629^2 + 528331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555277555299 + ... + 50555277555302.

Almost surely, 2^{202221110221202} is an apocalyptic number.

202221110221202 is a deficient number, since it is larger than the sum of its proper divisors (101110555110604).

202221110221202 is a wasteful number, since it uses less digits than its factorization.

202221110221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110555110603.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202221110221202 its reverse (202122011122202), we get a palindrome (404343121343404).

The spelling of 202221110221202 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two hundred two".