112000921 has 2 divisors, whose sum is σ = 112000922. Its totient is φ = 112000920.

The previous prime is 112000891. The next prime is 112000927. The reversal of 112000921 is 129000211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 3111696 = 10435^2 + 1764^2 .

It is an emirp because it is prime and its reverse (129000211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112000921 - 2²¹ = 109903769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112000895 and 112000904.

It is not a weakly prime, because it can be changed into another prime (112000927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000460 + 56000461.

It is an arithmetic number, because the mean of its divisors is an integer number (56000461).

Almost surely, 2^112000921 is an apocalyptic number.

It is an amenable number.

112000921 is a deficient number, since it is larger than the sum of its proper divisors (1).

112000921 is an equidigital number, since it uses as much as digits as its factorization.

112000921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 112000921 is about 10583.0487573289. The cubic root of 112000921 is about 482.0297741058.

The spelling of 112000921 in words is "one hundred twelve million, nine hundred twenty-one", and thus it is an aban number.