120201221011122 has 32 divisors (see below), whose sum is σ = 267119317785600. Its totient is φ = 40066249672944.

The previous prime is 120201221011099. The next prime is 120201221011127. The reversal of 120201221011122 is 221110122102021.

120201221011122 is a `hidden beast` number, since 120 + 201 + 2 + 210 + 11 + 122 = 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 = 120201221011095 and 120201221011104.

It is not an unprimeable number, because it can be changed into a prime (120201221011127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20235922 + ... + 25493037.

It is an arithmetic number, because the mean of its divisors is an integer number (8347478680800).

Almost surely, 2^{120201221011122} is an apocalyptic number.

120201221011122 is an abundant number, since it is smaller than the sum of its proper divisors (146918096774478).

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

120201221011122 is a wasteful number, since it uses less digits than its factorization.

120201221011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45777647 (or 45777641 counting only the distinct ones).

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

Adding to 120201221011122 its reverse (221110122102021), we get a palindrome (341311343113143).

The spelling of 120201221011122 in words is "one hundred twenty trillion, two hundred one billion, two hundred twenty-one million, eleven thousand, one hundred twenty-two".