11100123100 has 36 divisors (see below), whose sum is σ = 26277021288. Its totient is φ = 4036408000.

The previous prime is 11100123043. The next prime is 11100123121. The reversal of 11100123100 is 132100111.

It is a super-2 number, since 2×11100123100² (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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5044411 + ... + 5046610.

It is an arithmetic number, because the mean of its divisors is an integer number (729917258).

Almost surely, 2^11100123100 is an apocalyptic number.

11100123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100123100 is an abundant number, since it is smaller than the sum of its proper divisors (15176898188).

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

11100123100 is a wasteful number, since it uses less digits than its factorization.

11100123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091046 (or 10091039 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11100123100 its reverse (132100111), we get a palindrome (11232223211).

The spelling of 11100123100 in words is "eleven billion, one hundred million, one hundred twenty-three thousand, one hundred".