121110111101022 has 24 divisors (see below), whose sum is σ = 255639625098696. Its totient is φ = 38245298241744.

The previous prime is 121110111100949. The next prime is 121110111101047. The reversal of 121110111101022 is 220101111011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110111100992 and 121110111101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27957087193 + ... + 27957091524.

It is an arithmetic number, because the mean of its divisors is an integer number (10651651045779).

Almost surely, 2^{121110111101022} is an apocalyptic number.

121110111101022 is an abundant number, since it is smaller than the sum of its proper divisors (134529513997674).

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

121110111101022 is a wasteful number, since it uses less digits than its factorization.

121110111101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55914178760 (or 55914178741 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121110111101022 its reverse (220101111011121), we get a palindrome (341211222112143).

The spelling of 121110111101022 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred eleven million, one hundred one thousand, twenty-two".