11122220013 has 12 divisors (see below), whose sum is σ = 15151872960. Its totient is φ = 7257047032.

The previous prime is 11122219991. The next prime is 11122220027. The reversal of 11122220013 is 31002222111.

It is not a de Polignac number, because 11122220013 - 2¹⁷ = 11122088941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11122219974 and 11122220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832533 + ... + 845786.

It is an arithmetic number, because the mean of its divisors is an integer number (1262656080).

Almost surely, 2^11122220013 is an apocalyptic number.

It is an amenable number.

11122220013 is a deficient number, since it is larger than the sum of its proper divisors (4029652947).

11122220013 is an equidigital number, since it uses as much as digits as its factorization.

11122220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678416 (or 1678369 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11122220013 its reverse (31002222111), we get a palindrome (42124442124).

The spelling of 11122220013 in words is "eleven billion, one hundred twenty-two million, two hundred twenty thousand, thirteen".