11311122223100 has 36 divisors (see below), whose sum is σ = 28051583115024. Its totient is φ = 3878099047680.

The previous prime is 11311122223091. The next prime is 11311122223117. The reversal of 11311122223100 is 132222111311.

It is a super-2 number, since 2×11311122223100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 8079372317 + ... + 8079373716.

It is an arithmetic number, because the mean of its divisors is an integer number (779210642084).

Almost surely, 2^{11311122223100} is an apocalyptic number.

11311122223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311122223100 is an abundant number, since it is smaller than the sum of its proper divisors (16740460891924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311122223100 is a wasteful number, since it uses less digits than its factorization.

11311122223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16158746054 (or 16158746047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11311122223100 its reverse (132222111311), we get a palindrome (11443344334411).

The spelling of 11311122223100 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred".