11100023112 has 128 divisors (see below), whose sum is σ = 29953618560. Its totient is φ = 3415019520.

The previous prime is 11100023107. The next prime is 11100023159. The reversal of 11100023112 is 21132000111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16251523 + ... + 16252205.

It is an arithmetic number, because the mean of its divisors is an integer number (234012645).

Almost surely, 2^11100023112 is an apocalyptic number.

11100023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14976809280).

11100023112 is an abundant number, since it is smaller than the sum of its proper divisors (18853595448).

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

11100023112 is a wasteful number, since it uses less digits than its factorization.

11100023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11100023112 its reverse (21132000111), we get a palindrome (32232023223).

The spelling of 11100023112 in words is "eleven billion, one hundred million, twenty-three thousand, one hundred twelve".