112121193021 has 16 divisors (see below), whose sum is σ = 150694914240. Its totient is φ = 74149854080.

The previous prime is 112121192933. The next prime is 112121193031. The reversal of 112121193021 is 120391121211.

It is a cyclic number.

It is not a de Polignac number, because 112121193021 - 2⁹ = 112121192509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112121192982 and 112121193000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121193031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110115 + ... + 486176.

It is an arithmetic number, because the mean of its divisors is an integer number (9418432140).

Almost surely, 2^112121193021 is an apocalyptic number.

It is an amenable number.

112121193021 is a deficient number, since it is larger than the sum of its proper divisors (38573721219).

112121193021 is a wasteful number, since it uses less digits than its factorization.

112121193021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596796.

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 112121193021 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred ninety-three thousand, twenty-one".