112012111021 has 8 divisors (see below), whose sum is σ = 114628315104. Its totient is φ = 109414528080.

The previous prime is 112012110989. The next prime is 112012111027. The reversal of 112012111021 is 120111210211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112012111021 - 2⁵ = 112012110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012110992 and 112012111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012111027) by changing a digit.

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, 4643115 + ... + 4667176.

It is an arithmetic number, because the mean of its divisors is an integer number (14328539388).

Almost surely, 2^112012111021 is an apocalyptic number.

It is an amenable number.

112012111021 is a deficient number, since it is larger than the sum of its proper divisors (2616204083).

112012111021 is an equidigital number, since it uses as much as digits as its factorization.

112012111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310571.

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

Adding to 112012111021 its reverse (120111210211), we get a palindrome (232123321232).

The spelling of 112012111021 in words is "one hundred twelve billion, twelve million, one hundred eleven thousand, twenty-one".