112121110120 has 16 divisors (see below), whose sum is σ = 252272497860. Its totient is φ = 44848444032.

The previous prime is 112121110109. The next prime is 112121110139. The reversal of 112121110120 is 21011121211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106384259556 + 5736850564 = 326166^2 + 75742^2 .

It is a super-2 number, since 2×112121110120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121110120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401513837 + ... + 1401513916.

Almost surely, 2^112121110120 is an apocalyptic number.

112121110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121110120 is an abundant number, since it is smaller than the sum of its proper divisors (140151387740).

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

112121110120 is a wasteful number, since it uses less digits than its factorization.

112121110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803027764 (or 2803027760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112121110120 its reverse (21011121211), we get a palindrome (133132231331).

The spelling of 112121110120 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".