112112101011220 has 24 divisors (see below), whose sum is σ = 236110012173000. Its totient is φ = 44716345156992.

The previous prime is 112112101011203. The next prime is 112112101011257. The reversal of 112112101011220 is 22110101211211.

It can be written as a sum of positive squares in 4 ways, for example, as 7999382709124 + 104112718302096 = 2828318^2 + 10203564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112112101011194 and 112112101011203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8030945815 + ... + 8030959774.

It is an arithmetic number, because the mean of its divisors is an integer number (9837917173875).

Almost surely, 2^{112112101011220} is an apocalyptic number.

112112101011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112101011220 is an abundant number, since it is smaller than the sum of its proper divisors (123997911161780).

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

112112101011220 is a wasteful number, since it uses less digits than its factorization.

112112101011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061905947 (or 16061905945 counting only the distinct ones).

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

Adding to 112112101011220 its reverse (22110101211211), we get a palindrome (134222202222431).

The spelling of 112112101011220 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred one million, eleven thousand, two hundred twenty".