121022110121112 has 48 divisors (see below), whose sum is σ = 339907778432040. Its totient is φ = 40340703373056.

The previous prime is 121022110121093. The next prime is 121022110121147. The reversal of 121022110121112 is 211121011220121.

It is a happy number.

121022110121112 is a `hidden beast` number, since 1 + 210 + 221 + 1 + 0 + 121 + 112 = 666.

It is a super-2 number, since 2×121022110121112² (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 congruent number.

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, 31127083993 + ... + 31127087880.

Almost surely, 2^{121022110121112} is an apocalyptic number.

121022110121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121022110121112 is an abundant number, since it is smaller than the sum of its proper divisors (218885668310928).

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

121022110121112 is an equidigital number, since it uses as much as digits as its factorization.

121022110121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62254171894 (or 62254171878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121022110121112 its reverse (211121011220121), we get a palindrome (332143121341233).

The spelling of 121022110121112 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twelve".