121002112022022 has 96 divisors (see below), whose sum is σ = 327345661304064. Its totient is φ = 31382695656000.

The previous prime is 121002112022017. The next prime is 121002112022047. The reversal of 121002112022022 is 220220211200121.

It is a happy number.

121002112022022 is a `hidden beast` number, since 1 + 210 + 0 + 211 + 2 + 0 + 220 + 22 = 666.

It is a super-2 number, since 2×121002112022022² (a number of 29 digits) contains 22 as substring.

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 = 121002112021986 and 121002112022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63539604 + ... + 65416247.

It is an arithmetic number, because the mean of its divisors is an integer number (3409850638584).

Almost surely, 2^{121002112022022} is an apocalyptic number.

121002112022022 is an abundant number, since it is smaller than the sum of its proper divisors (206343549282042).

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

121002112022022 is a wasteful number, since it uses less digits than its factorization.

121002112022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128956554 (or 128956551 counting only the distinct ones).

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

Adding to 121002112022022 its reverse (220220211200121), we get a palindrome (341222323222143).

The spelling of 121002112022022 in words is "one hundred twenty-one trillion, two billion, one hundred twelve million, twenty-two thousand, twenty-two".