121002021122022 has 12 divisors (see below), whose sum is σ = 262171045764420. Its totient is φ = 40334007040668.

The previous prime is 121002021122011. The next prime is 121002021122029. The reversal of 121002021122022 is 220221120200121.

It is a happy number.

121002021122022 is a `hidden beast` number, since 1 + 210 + 0 + 2 + 0 + 211 + 220 + 22 = 666.

It is a super-2 number, since 2×121002021122022² (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), and also a Moran number because the ratio is a prime number: 6722334506779 = 121002021122022 / (1 + 2 + 1 + 0 + 0 + 2 + 0 + 2 + 1 + 1 + 2 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 121002021121986 and 121002021122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002021122029) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3361167253372 + ... + 3361167253407.

It is an arithmetic number, because the mean of its divisors is an integer number (21847587147035).

Almost surely, 2^{121002021122022} is an apocalyptic number.

121002021122022 is an abundant number, since it is smaller than the sum of its proper divisors (141169024642398).

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

121002021122022 is a wasteful number, since it uses less digits than its factorization.

121002021122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722334506787 (or 6722334506784 counting only the distinct ones).

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

Adding to 121002021122022 its reverse (220221120200121), we get a palindrome (341223141322143).

The spelling of 121002021122022 in words is "one hundred twenty-one trillion, two billion, twenty-one million, one hundred twenty-two thousand, twenty-two".