1120231112111 has 4 divisors (see below), whose sum is σ = 1144065816672. Its totient is φ = 1096396407552.

The previous prime is 1120231112101. The next prime is 1120231112171. The reversal of 1120231112111 is 1112111320211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120231112111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120231112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120231112101) 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, 11917352210 + ... + 11917352303.

It is an arithmetic number, because the mean of its divisors is an integer number (286016454168).

Almost surely, 2^{1120231112111} is an apocalyptic number.

1120231112111 is a deficient number, since it is larger than the sum of its proper divisors (23834704561).

1120231112111 is an equidigital number, since it uses as much as digits as its factorization.

1120231112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834704560.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1120231112111 its reverse (1112111320211), we get a palindrome (2232342432322).

The spelling of 1120231112111 in words is "one trillion, one hundred twenty billion, two hundred thirty-one million, one hundred twelve thousand, one hundred eleven".