111120101130456 has 256 divisors, whose sum is σ = 346662452160000. Its totient is φ = 33102029825280.

The previous prime is 111120101130349. The next prime is 111120101130457. The reversal of 111120101130456 is 654031101021111.

It is a happy number.

111120101130456 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 201 + 0 + 1 + 1 + 3 + 0 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120101130457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6461860 + ... + 16247948.

It is an arithmetic number, because the mean of its divisors is an integer number (1354150203750).

Almost surely, 2^{111120101130456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111120101130456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173331226080000).

111120101130456 is an abundant number, since it is smaller than the sum of its proper divisors (235542351029544).

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

111120101130456 is an equidigital number, since it uses as much as digits as its factorization.

111120101130456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786186 (or 9786164 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 111120101130456 its reverse (654031101021111), we get a palindrome (765151202151567).

The spelling of 111120101130456 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred one million, one hundred thirty thousand, four hundred fifty-six".