1120112111111 has 8 divisors (see below), whose sum is σ = 1306253191200. Its totient is φ = 960096094944.

The previous prime is 1120112111081. The next prime is 1120112111113. The reversal of 1120112111111 is 1111112110211.

It is a de Polignac number, because none of the positive numbers 2^k-1120112111111 is a prime.

It is a super-2 number, since 2×1120112111111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120112111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632816146 + ... + 1632816831.

It is an arithmetic number, because the mean of its divisors is an integer number (163281648900).

Almost surely, 2^{1120112111111} is an apocalyptic number.

1120112111111 is a deficient number, since it is larger than the sum of its proper divisors (186141080089).

1120112111111 is an frugal number, since it uses more digits than its factorization.

1120112111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265632998 (or 3265632984 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1120112111111 its reverse (1111112110211), we get a palindrome (2231224221322).

The spelling of 1120112111111 in words is "one trillion, one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred eleven".