121010220122202 has 20 divisors (see below), whose sum is σ = 271152530274186. Its totient is φ = 40336740040680.

The previous prime is 121010220122153. The next prime is 121010220122227. The reversal of 121010220122202 is 202221022010121.

It is a happy number.

121010220122202 is a `hidden beast` number, since 1 + 210 + 1 + 0 + 220 + 12 + 220 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113042805001281 + 7967415120921 = 10632159^2 + 2822661^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 373488333549 + ... + 373488333872.

Almost surely, 2^{121010220122202} is an apocalyptic number.

121010220122202 is an abundant number, since it is smaller than the sum of its proper divisors (150142310151984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121010220122202 is an equidigital number, since it uses as much as digits as its factorization.

121010220122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746976667435 (or 746976667426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121010220122202 its reverse (202221022010121), we get a palindrome (323231242132323).

The spelling of 121010220122202 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty million, one hundred twenty-two thousand, two hundred two".