121110003111220 has 48 divisors (see below), whose sum is σ = 255392874713088. Its totient is φ = 48242135306240.

The previous prime is 121110003111161. The next prime is 121110003111257. The reversal of 121110003111220 is 22111300011121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121110003111194 and 121110003111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7422784 + ... + 17242903.

It is an arithmetic number, because the mean of its divisors is an integer number (5320684889856).

Almost surely, 2^{121110003111220} is an apocalyptic number.

121110003111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110003111220 is an abundant number, since it is smaller than the sum of its proper divisors (134282871601868).

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

121110003111220 is a wasteful number, since it uses less digits than its factorization.

121110003111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24666720 (or 24666718 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121110003111220 its reverse (22111300011121), we get a palindrome (143221303122341).

The spelling of 121110003111220 in words is "one hundred twenty-one trillion, one hundred ten billion, three million, one hundred eleven thousand, two hundred twenty".