112021423117 has 2 divisors, whose sum is σ = 112021423118. Its totient is φ = 112021423116.

The previous prime is 112021423081. The next prime is 112021423169. The reversal of 112021423117 is 711324120211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95509430116 + 16511993001 = 309046^2 + 128499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112021423117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112021423091 and 112021423100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021423187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010711558 + 56010711559.

It is an arithmetic number, because the mean of its divisors is an integer number (56010711559).

Almost surely, 2^112021423117 is an apocalyptic number.

It is an amenable number.

112021423117 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021423117 is an equidigital number, since it uses as much as digits as its factorization.

112021423117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 112021423117 its reverse (711324120211), we get a palindrome (823345543328).

The spelling of 112021423117 in words is "one hundred twelve billion, twenty-one million, four hundred twenty-three thousand, one hundred seventeen".