10111001100 has 144 divisors (see below), whose sum is σ = 30556377600. Its totient is φ = 2578763520.

The previous prime is 10111001081. The next prime is 10111001143. The reversal of 10111001100 is 110011101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 647181 + ... + 662619.

Almost surely, 2^10111001100 is an apocalyptic number.

10111001100 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 10111001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15278188800).

10111001100 is an abundant number, since it is smaller than the sum of its proper divisors (20445376500).

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

10111001100 is a wasteful number, since it uses less digits than its factorization.

10111001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15552 (or 15545 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 10111001100 its reverse (110011101), we get a palindrome (10221012201).

It can be divided in two parts, 10111001 and 100, that added together give a palindrome (10111101).

The spelling of 10111001100 in words is "ten billion, one hundred eleven million, one thousand, one hundred".