111120112011001 has 4 divisors (see below), whose sum is σ = 111585049718400. Its totient is φ = 110655174303604.

The previous prime is 111120112010969. The next prime is 111120112011019. The reversal of 111120112011001 is 100110211021111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111120112011001 - 2⁵ = 111120112010969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120112011071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232468853341 + ... + 232468853818.

It is an arithmetic number, because the mean of its divisors is an integer number (27896262429600).

Almost surely, 2^{111120112011001} is an apocalyptic number.

It is an amenable number.

111120112011001 is a deficient number, since it is larger than the sum of its proper divisors (464937707399).

111120112011001 is an equidigital number, since it uses as much as digits as its factorization.

111120112011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464937707398.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111120112011001 its reverse (100110211021111), we get a palindrome (211230323032112).

The spelling of 111120112011001 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twelve million, eleven thousand, one".