121120002022122 has 24 divisors (see below), whose sum is σ = 262605071289600. Its totient is φ = 40345887816360.

The previous prime is 121120002022111. The next prime is 121120002022141. The reversal of 121120002022122 is 221220200021121.

It is a happy number.

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 = 121120002022095 and 121120002022104.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2287155372 + ... + 2287208327.

It is an arithmetic number, because the mean of its divisors is an integer number (10941877970400).

Almost surely, 2^{121120002022122} is an apocalyptic number.

121120002022122 is an abundant number, since it is smaller than the sum of its proper divisors (141485069267478).

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

121120002022122 is a wasteful number, since it uses less digits than its factorization.

121120002022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574365178 (or 4574365175 counting only the distinct ones).

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

Adding to 121120002022122 its reverse (221220200021121), we get a palindrome (342340202043243).

The spelling of 121120002022122 in words is "one hundred twenty-one trillion, one hundred twenty billion, two million, twenty-two thousand, one hundred twenty-two".