112130021321 has 2 divisors, whose sum is σ = 112130021322. Its totient is φ = 112130021320.

The previous prime is 112130021309. The next prime is 112130021327. The reversal of 112130021321 is 123120031211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84718252096 + 27411769225 = 291064^2 + 165565^2 .

It is an emirp because it is prime and its reverse (123120031211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112130021321 - 2¹⁰ = 112130020297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112130021321.

It is not a weakly prime, because it can be changed into another prime (112130021327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065010660 + 56065010661.

It is an arithmetic number, because the mean of its divisors is an integer number (56065010661).

Almost surely, 2^112130021321 is an apocalyptic number.

It is an amenable number.

112130021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

112130021321 is an equidigital number, since it uses as much as digits as its factorization.

112130021321 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 112130021321 its reverse (123120031211), we get a palindrome (235250052532).

The spelling of 112130021321 in words is "one hundred twelve billion, one hundred thirty million, twenty-one thousand, three hundred twenty-one".