202022220121210 has 32 divisors (see below), whose sum is σ = 385245805931280. Its totient is φ = 76012911117312.

The previous prime is 202022220121177. The next prime is 202022220121247. The reversal of 202022220121210 is 12121022220202.

It can be written as a sum of positive squares in 8 ways, for example, as 124629961560841 + 77392258560369 = 11163779^2 + 8797287^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331827229 + ... + 332435488.

Almost surely, 2^{202022220121210} is an apocalyptic number.

202022220121210 is a deficient number, since it is larger than the sum of its proper divisors (183223585810070).

202022220121210 is a wasteful number, since it uses less digits than its factorization.

202022220121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664264530.

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

Adding to 202022220121210 its reverse (12121022220202), we get a palindrome (214143242341412).

The spelling of 202022220121210 in words is "two hundred two trillion, twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred ten".