112222021020013 has 4 divisors (see below), whose sum is σ = 112403904361020. Its totient is φ = 112040137679008.

The previous prime is 112222021020001. The next prime is 112222021020019. The reversal of 112222021020013 is 310020120222211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9993805044804 + 102228215975209 = 3161298^2 + 10110797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112222021020013 is a prime.

It is a super-2 number, since 2×112222021020013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222021020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90941669578 + ... + 90941670811.

It is an arithmetic number, because the mean of its divisors is an integer number (28100976090255).

Almost surely, 2^{112222021020013} is an apocalyptic number.

It is an amenable number.

112222021020013 is a deficient number, since it is larger than the sum of its proper divisors (181883341007).

112222021020013 is an equidigital number, since it uses as much as digits as its factorization.

112222021020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181883341006.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112222021020013 its reverse (310020120222211), we get a palindrome (422242141242224).

The spelling of 112222021020013 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, twenty thousand, thirteen".