120121122020022 has 80 divisors (see below), whose sum is σ = 269436048161280. Its totient is φ = 39999368345328.

The previous prime is 120121122019909. The next prime is 120121122020033. The reversal of 120121122020022 is 220020221121021.

It is a happy number.

120121122020022 is a `hidden beast` number, since 1 + 201 + 21 + 1 + 220 + 200 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120121122019977 and 120121122020004.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 844906179 + ... + 845048337.

It is an arithmetic number, because the mean of its divisors is an integer number (3367950602016).

Almost surely, 2^{120121122020022} is an apocalyptic number.

120121122020022 is an abundant number, since it is smaller than the sum of its proper divisors (149314926141258).

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

120121122020022 is a wasteful number, since it uses less digits than its factorization.

120121122020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147479 (or 147470 counting only the distinct ones).

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

Adding to 120121122020022 its reverse (220020221121021), we get a palindrome (340141343141043).

The spelling of 120121122020022 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, twenty-two".