120121202210202 has 24 divisors (see below), whose sum is σ = 260262860482560. Its totient is φ = 40040361399240.

The previous prime is 120121202210159. The next prime is 120121202210257. The reversal of 120121202210202 is 202012202121021.

It is a happy number.

120121202210202 is a `hidden beast` number, since 1 + 201 + 21 + 20 + 221 + 0 + 202 = 666.

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 (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20032449 + ... + 25328667.

It is an arithmetic number, because the mean of its divisors is an integer number (10844285853440).

Almost surely, 2^{120121202210202} is an apocalyptic number.

120121202210202 is an abundant number, since it is smaller than the sum of its proper divisors (140141658272358).

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

120121202210202 is a wasteful number, since it uses less digits than its factorization.

120121202210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556258 (or 6556255 counting only the distinct ones).

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

Adding to 120121202210202 its reverse (202012202121021), we get a palindrome (322133404331223).

The spelling of 120121202210202 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred two million, two hundred ten thousand, two hundred two".