112012110121021 has 16 divisors (see below), whose sum is σ = 123230569176000. Its totient is φ = 100968634828800.

The previous prime is 112012110120979. The next prime is 112012110121031. The reversal of 112012110121021 is 120121011210211.

It is a cyclic number.

It is not a de Polignac number, because 112012110121021 - 2⁹ = 112012110120509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112012110120986 and 112012110121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012110121031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58908036 + ... + 60779773.

It is an arithmetic number, because the mean of its divisors is an integer number (7701910573500).

Almost surely, 2^{112012110121021} is an apocalyptic number.

112012110121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012110121021 is a deficient number, since it is larger than the sum of its proper divisors (11218459054979).

112012110121021 is a wasteful number, since it uses less digits than its factorization.

112012110121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119688540.

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

Adding to 112012110121021 its reverse (120121011210211), we get a palindrome (232133121331232).

The spelling of 112012110121021 in words is "one hundred twelve trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".