112011212121120 has 144 divisors (see below), whose sum is σ = 411641204613912. Its totient is φ = 27571990671360.

The previous prime is 112011212121103. The next prime is 112011212121239. The reversal of 112011212121120 is 21121212110211.

It is a happy number.

112011212121120 is a `hidden beast` number, since 11 + 201 + 1 + 212 + 121 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 79870612465296 + 32140599655824 = 8937036^2 + 5669268^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112011212121093 and 112011212121102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2991733741 + ... + 2991771180.

Almost surely, 2^{112011212121120} is an apocalyptic number.

112011212121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112011212121120 is an abundant number, since it is smaller than the sum of its proper divisors (299629992492792).

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

112011212121120 is a wasteful number, since it uses less digits than its factorization.

112011212121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983504955 (or 5983504944 counting only the distinct ones).

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

Adding to 112011212121120 its reverse (21121212110211), we get a palindrome (133132424231331).

The spelling of 112011212121120 in words is "one hundred twelve trillion, eleven billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty".