1120111100 has 18 divisors (see below), whose sum is σ = 2430641304. Its totient is φ = 448044400.

The previous prime is 1120111099. The next prime is 1120111193. The reversal of 1120111100 is 11110211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5600456 + ... + 5600655.

It is an arithmetic number, because the mean of its divisors is an integer number (135035628).

Almost surely, 2^1120111100 is an apocalyptic number.

1120111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120111100 is an abundant number, since it is smaller than the sum of its proper divisors (1310530204).

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

1120111100 is a wasteful number, since it uses less digits than its factorization.

1120111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201125 (or 11201118 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1120111100 is about 33468.0608939329. The cubic root of 1120111100 is about 1038.5331576929.

Adding to 1120111100 its reverse (11110211), we get a palindrome (1131221311).

It can be divided in two parts, 1120111 and 100, that added together give a palindrome (1120211).

The spelling of 1120111100 in words is "one billion, one hundred twenty million, one hundred eleven thousand, one hundred".