1120023113111 has 16 divisors (see below), whose sum is σ = 1325281098240. Its totient is φ = 926134591200.

The previous prime is 1120023113107. The next prime is 1120023113147. The reversal of 1120023113111 is 1113113200211.

It is not a de Polignac number, because 1120023113111 - 2² = 1120023113107 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 1120023113111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120023113171) 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 15 ways as a sum of consecutive naturals, for example, 2083115 + ... + 2565036.

It is an arithmetic number, because the mean of its divisors is an integer number (82830068640).

Almost surely, 2^{1120023113111} is an apocalyptic number.

1120023113111 is a deficient number, since it is larger than the sum of its proper divisors (205257985129).

1120023113111 is a wasteful number, since it uses less digits than its factorization.

1120023113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649374.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1120023113111 its reverse (1113113200211), we get a palindrome (2233136313322).

The spelling of 1120023113111 in words is "one trillion, one hundred twenty billion, twenty-three million, one hundred thirteen thousand, one hundred eleven".