11122420313 has 4 divisors (see below), whose sum is σ = 11122687908. Its totient is φ = 11122152720.

The previous prime is 11122420307. The next prime is 11122420333. The reversal of 11122420313 is 31302422111.

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 8351766544 + 2770653769 = 91388^2 + 52637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122420313 - 2¹⁶ = 11122354777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122420333) 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, 56606 + ... + 159527.

It is an arithmetic number, because the mean of its divisors is an integer number (2780671977).

Almost surely, 2^11122420313 is an apocalyptic number.

It is an amenable number.

11122420313 is a deficient number, since it is larger than the sum of its proper divisors (267595).

11122420313 is an equidigital number, since it uses as much as digits as its factorization.

11122420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267594.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11122420313 its reverse (31302422111), we get a palindrome (42424842424).

The spelling of 11122420313 in words is "eleven billion, one hundred twenty-two million, four hundred twenty thousand, three hundred thirteen".