11122231220013 has 32 divisors (see below), whose sum is σ = 15867106048000. Its totient is φ = 6909460880256.

The previous prime is 11122231220011. The next prime is 11122231220027. The reversal of 11122231220013 is 31002213222111.

It is not a de Polignac number, because 11122231220013 - 2¹ = 11122231220011 is a prime.

It is a super-2 number, since 2×11122231220013² (a number of 27 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 (11122231220011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2114563 + ... + 5168736.

It is an arithmetic number, because the mean of its divisors is an integer number (495847064000).

Almost surely, 2^{11122231220013} is an apocalyptic number.

It is an amenable number.

11122231220013 is a deficient number, since it is larger than the sum of its proper divisors (4744874827987).

11122231220013 is a wasteful number, since it uses less digits than its factorization.

11122231220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283761.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11122231220013 its reverse (31002213222111), we get a palindrome (42124444442124).

The spelling of 11122231220013 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred twenty thousand, thirteen".