11111103100 has 72 divisors (see below), whose sum is σ = 26873123760. Its totient is φ = 3962833920.

The previous prime is 11111103089. The next prime is 11111103203. The reversal of 11111103100 is 130111111.

It is a super-2 number, since 2×11111103100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139699 + ... + 204298.

It is an arithmetic number, because the mean of its divisors is an integer number (373237830).

Almost surely, 2^11111103100 is an apocalyptic number.

11111103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111103100 is an abundant number, since it is smaller than the sum of its proper divisors (15762020660).

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

11111103100 is a wasteful number, since it uses less digits than its factorization.

11111103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344047 (or 344040 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 11111103100 its reverse (130111111), we get a palindrome (11241214211).

The spelling of 11111103100 in words is "eleven billion, one hundred eleven million, one hundred three thousand, one hundred".