112321021013 has 2 divisors, whose sum is σ = 112321021014. Its totient is φ = 112321021012.

The previous prime is 112321021003. The next prime is 112321021037. The reversal of 112321021013 is 310120123211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80008082449 + 32312938564 = 282857^2 + 179758^2 .

It is a cyclic number.

It is not a de Polignac number, because 112321021013 - 2⁴ = 112321020997 is a prime.

It is a super-2 number, since 2×112321021013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112321020982 and 112321021000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112321021003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160510506 + 56160510507.

It is an arithmetic number, because the mean of its divisors is an integer number (56160510507).

Almost surely, 2^112321021013 is an apocalyptic number.

It is an amenable number.

112321021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

112321021013 is an equidigital number, since it uses as much as digits as its factorization.

112321021013 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 17.

Adding to 112321021013 its reverse (310120123211), we get a palindrome (422441144224).

The spelling of 112321021013 in words is "one hundred twelve billion, three hundred twenty-one million, twenty-one thousand, thirteen".