11231122413 has 64 divisors (see below), whose sum is σ = 17948160000. Its totient is φ = 6113263104.

The previous prime is 11231122393. The next prime is 11231122439. The reversal of 11231122413 is 31422113211.

It is not a de Polignac number, because 11231122413 - 2¹⁰ = 11231121389 is a prime.

It is a super-2 number, since 2×11231122413² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11231122413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231121413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18749488 + ... + 18750086.

It is an arithmetic number, because the mean of its divisors is an integer number (280440000).

Almost surely, 2^11231122413 is an apocalyptic number.

It is an amenable number.

11231122413 is a deficient number, since it is larger than the sum of its proper divisors (6717037587).

11231122413 is a wasteful number, since it uses less digits than its factorization.

11231122413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

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

Adding to 11231122413 its reverse (31422113211), we get a palindrome (42653235624).

The spelling of 11231122413 in words is "eleven billion, two hundred thirty-one million, one hundred twenty-two thousand, four hundred thirteen".