112122013021 has 2 divisors, whose sum is σ = 112122013022. Its totient is φ = 112122013020.

The previous prime is 112122012991. The next prime is 112122013043. The reversal of 112122013021 is 120310221211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70612432900 + 41509580121 = 265730^2 + 203739^2 .

It is an emirp because it is prime and its reverse (120310221211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112122013021 - 2¹⁵ = 112121980253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112122012986 and 112122013004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112122013321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061006510 + 56061006511.

It is an arithmetic number, because the mean of its divisors is an integer number (56061006511).

Almost surely, 2^112122013021 is an apocalyptic number.

It is an amenable number.

112122013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122013021 is an equidigital number, since it uses as much as digits as its factorization.

112122013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112122013021 its reverse (120310221211), we get a palindrome (232432234232).

The spelling of 112122013021 in words is "one hundred twelve billion, one hundred twenty-two million, thirteen thousand, twenty-one".