11124421100 has 72 divisors (see below), whose sum is σ = 26153096928. Its totient is φ = 4082803200.

The previous prime is 11124421097. The next prime is 11124421123. The reversal of 11124421100 is 112442111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191480 + ... + 242720.

Almost surely, 2^11124421100 is an apocalyptic number.

11124421100 is a gapful number since it is divisible by the number (10) 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 11124421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13076548464).

11124421100 is an abundant number, since it is smaller than the sum of its proper divisors (15028675828).

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

11124421100 is a wasteful number, since it uses less digits than its factorization.

11124421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51435 (or 51428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11124421100 its reverse (112442111), we get a palindrome (11236863211).

The spelling of 11124421100 in words is "eleven billion, one hundred twenty-four million, four hundred twenty-one thousand, one hundred".