1111120100 has 36 divisors (see below), whose sum is σ = 2433687984. Its totient is φ = 440290080.

The previous prime is 1111120099. The next prime is 1111120103. The reversal of 1111120100 is 10211111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41222 + ... + 62621.

It is an arithmetic number, because the mean of its divisors is an integer number (67602444).

Almost surely, 2^1111120100 is an apocalyptic number.

1111120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111120100 is an abundant number, since it is smaller than the sum of its proper divisors (1322567884).

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

1111120100 is a wasteful number, since it uses less digits than its factorization.

1111120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103964 (or 103957 counting only the distinct ones).

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

The square root of 1111120100 is about 33333.4681663940. The cubic root of 1111120100 is about 1035.7469617005.

Adding to 1111120100 its reverse (10211111), we get a palindrome (1121331211).

It can be divided in two parts, 111 and 1120100, that added together give a palindrome (1120211).

The spelling of 1111120100 in words is "one billion, one hundred eleven million, one hundred twenty thousand, one hundred".