112051021 has 2 divisors, whose sum is σ = 112051022. Its totient is φ = 112051020.

The previous prime is 112051007. The next prime is 112051103. The reversal of 112051021 is 120150211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107868996 + 4182025 = 10386^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 112051021 - 2⁵ = 112050989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112050992 and 112051010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112051321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56025510 + 56025511.

It is an arithmetic number, because the mean of its divisors is an integer number (56025511).

Almost surely, 2^112051021 is an apocalyptic number.

It is an amenable number.

112051021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112051021 is an equidigital number, since it uses as much as digits as its factorization.

112051021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 112051021 is about 10585.4154854687. The cubic root of 112051021 is about 482.1016368831.

The spelling of 112051021 in words is "one hundred twelve million, fifty-one thousand, twenty-one".