11103223131 has 96 divisors (see below), whose sum is σ = 21829796352. Its totient is φ = 5250977280.

The previous prime is 11103223121. The next prime is 11103223133. The reversal of 11103223131 is 13132230111.

It is not a de Polignac number, because 11103223131 - 2⁹ = 11103222619 is a prime.

It is a super-2 number, since 2×11103223131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11103223133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 649216 + ... + 666098.

It is an arithmetic number, because the mean of its divisors is an integer number (227393712).

Almost surely, 2^11103223131 is an apocalyptic number.

11103223131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11103223131 is a deficient number, since it is larger than the sum of its proper divisors (10726573221).

11103223131 is a wasteful number, since it uses less digits than its factorization.

11103223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993 (or 16990 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11103223131 its reverse (13132230111), we get a palindrome (24235453242).

The spelling of 11103223131 in words is "eleven billion, one hundred three million, two hundred twenty-three thousand, one hundred thirty-one".