121021122100122 has 48 divisors (see below), whose sum is σ = 272022923172000. Its totient is φ = 40325699025072.

The previous prime is 121021122100097. The next prime is 121021122100163. The reversal of 121021122100122 is 221001221120121.

121021122100122 is a `hidden beast` number, since 1 + 210 + 211 + 22 + 100 + 122 = 666.

It is a super-2 number, since 2×121021122100122² (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 = 121021122100095 and 121021122100104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43955848 + ... + 46627875.

It is an arithmetic number, because the mean of its divisors is an integer number (5667144232750).

Almost surely, 2^{121021122100122} is an apocalyptic number.

121021122100122 is an abundant number, since it is smaller than the sum of its proper divisors (151001801071878).

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

121021122100122 is an equidigital number, since it uses as much as digits as its factorization.

121021122100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90586489 (or 90586477 counting only the distinct ones).

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

Adding to 121021122100122 its reverse (221001221120121), we get a palindrome (342022343220243).

The spelling of 121021122100122 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-two".