121011220112 has 40 divisors (see below), whose sum is σ = 234947105280. Its totient is φ = 60379854080.

The previous prime is 121011220087. The next prime is 121011220123. The reversal of 121011220112 is 211022110121.

121011220112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17385689 + ... + 17392647.

It is an arithmetic number, because the mean of its divisors is an integer number (5873677632).

Almost surely, 2^121011220112 is an apocalyptic number.

It is an amenable number.

121011220112 is a deficient number, since it is larger than the sum of its proper divisors (113935885168).

121011220112 is a wasteful number, since it uses less digits than its factorization.

121011220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071 (or 9065 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121011220112 its reverse (211022110121), we get a palindrome (332033330233).

The spelling of 121011220112 in words is "one hundred twenty-one billion, eleven million, two hundred twenty thousand, one hundred twelve".