1111120000 has 320 divisors, whose sum is σ = 3154615200. Its totient is φ = 387072000.

The previous prime is 1111119979. The next prime is 1111120009. The reversal of 1111120000 is 211111.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (1111120009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25839979 + ... + 25840021.

Almost surely, 2^1111120000 is an apocalyptic number.

1111120000 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 1111120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577307600).

1111120000 is an abundant number, since it is smaller than the sum of its proper divisors (2043495200).

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

1111120000 is an equidigital number, since it uses as much as digits as its factorization.

1111120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1111120000 is about 33333.4666664000. The cubic root of 1111120000 is about 1035.7469306284.

Adding to 1111120000 its reverse (211111), we get a palindrome (1111331111).

The spelling of 1111120000 in words is "one billion, one hundred eleven million, one hundred twenty thousand".