1111011213023 has 2 divisors, whose sum is σ = 1111011213024. Its totient is φ = 1111011213022.

The previous prime is 1111011212989. The next prime is 1111011213029. The reversal of 1111011213023 is 3203121101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111011213023 - 2²⁰ = 1111010164447 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111011212992 and 1111011213010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111011213029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555505606511 + 555505606512.

It is an arithmetic number, because the mean of its divisors is an integer number (555505606512).

Almost surely, 2^{1111011213023} is an apocalyptic number.

1111011213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111011213023 is an equidigital number, since it uses as much as digits as its factorization.

1111011213023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1111011213023 its reverse (3203121101111), we get a palindrome (4314132314134).

The spelling of 1111011213023 in words is "one trillion, one hundred eleven billion, eleven million, two hundred thirteen thousand, twenty-three".