202221200121202 has 8 divisors (see below), whose sum is σ = 303454457609436. Its totient is φ = 101069714251392.

The previous prime is 202221200121169. The next prime is 202221200121251. The reversal of 202221200121202 is 202121002122202.

It can be written as a sum of positive squares in 2 ways, for example, as 201358398786561 + 862801334641 = 14190081^2 + 928871^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 202221200121202.

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, 20442898423 + ... + 20442908314.

Almost surely, 2^{202221200121202} is an apocalyptic number.

202221200121202 is a deficient number, since it is larger than the sum of its proper divisors (101233257488234).

202221200121202 is a wasteful number, since it uses less digits than its factorization.

202221200121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40885809212.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202221200121202 its reverse (202121002122202), we get a palindrome (404342202243404).

The spelling of 202221200121202 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, two hundred two".