112055021 has 16 divisors (see below), whose sum is σ = 123561984. Its totient is φ = 100989504.

The previous prime is 112055017. The next prime is 112055077. The reversal of 112055021 is 120550211.

It is a cyclic number.

It is not a de Polignac number, because 112055021 - 2² = 112055017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112055081) 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 15 ways as a sum of consecutive naturals, for example, 110111 + ... + 111123.

It is an arithmetic number, because the mean of its divisors is an integer number (7722624).

Almost surely, 2^112055021 is an apocalyptic number.

It is an amenable number.

112055021 is a deficient number, since it is larger than the sum of its proper divisors (11506963).

112055021 is a wasteful number, since it uses less digits than its factorization.

112055021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 112055021 is about 10585.6044229888. The cubic root of 112055021 is about 482.1073735067.

The spelling of 112055021 in words is "one hundred twelve million, fifty-five thousand, twenty-one".