112302130021 has 2 divisors, whose sum is σ = 112302130022. Its totient is φ = 112302130020.

The previous prime is 112302130009. The next prime is 112302130043. The reversal of 112302130021 is 120031203211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109619925921 + 2682204100 = 331089^2 + 51790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112302130021 is a prime.

It is a super-2 number, since 2×112302130021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112302129977 and 112302130004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112302130001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56151065010 + 56151065011.

It is an arithmetic number, because the mean of its divisors is an integer number (56151065011).

Almost surely, 2^112302130021 is an apocalyptic number.

It is an amenable number.

112302130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112302130021 is an equidigital number, since it uses as much as digits as its factorization.

112302130021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 112302130021 its reverse (120031203211), we get a palindrome (232333333232).

The spelling of 112302130021 in words is "one hundred twelve billion, three hundred two million, one hundred thirty thousand, twenty-one".