120121102112202 has 48 divisors (see below), whose sum is σ = 276030244683648. Its totient is φ = 37671621467040.

The previous prime is 120121102112189. The next prime is 120121102112203. The reversal of 120121102112202 is 202211201121021.

120121102112202 is a `hidden beast` number, since 1 + 20 + 1 + 211 + 0 + 211 + 220 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (120121102112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2378233678 + ... + 2378284185.

It is an arithmetic number, because the mean of its divisors is an integer number (5750630097576).

Almost surely, 2^{120121102112202} is an apocalyptic number.

120121102112202 is an abundant number, since it is smaller than the sum of its proper divisors (155909142571446).

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

120121102112202 is a wasteful number, since it uses less digits than its factorization.

120121102112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756517955 (or 4756517952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120121102112202 its reverse (202211201121021), we get a palindrome (322332303233223).

The spelling of 120121102112202 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred two".