112120102121 has 32 divisors (see below), whose sum is σ = 117179166720. Its totient is φ = 107220672000.

The previous prime is 112120102099. The next prime is 112120102141. The reversal of 112120102121 is 121201021211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120102121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120102096 and 112120102105.

It is not an unprimeable number, because it can be changed into a prime (112120102141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108537821 + ... + 108538853.

It is an arithmetic number, because the mean of its divisors is an integer number (3661848960).

Almost surely, 2^112120102121 is an apocalyptic number.

It is an amenable number.

112120102121 is a deficient number, since it is larger than the sum of its proper divisors (5059064599).

112120102121 is a wasteful number, since it uses less digits than its factorization.

112120102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

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

Adding to 112120102121 its reverse (121201021211), we get a palindrome (233321123332).

The spelling of 112120102121 in words is "one hundred twelve billion, one hundred twenty million, one hundred two thousand, one hundred twenty-one".