11012111023 has 2 divisors, whose sum is σ = 11012111024. Its totient is φ = 11012111022.

The previous prime is 11012111003. The next prime is 11012111039. The reversal of 11012111023 is 32011121011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012111023 - 2⁹ = 11012110511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012110994 and 11012111012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012111003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506055511 + 5506055512.

It is an arithmetic number, because the mean of its divisors is an integer number (5506055512).

Almost surely, 2^11012111023 is an apocalyptic number.

11012111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012111023 is an equidigital number, since it uses as much as digits as its factorization.

11012111023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11012111023 its reverse (32011121011), we get a palindrome (43023232034).

The spelling of 11012111023 in words is "eleven billion, twelve million, one hundred eleven thousand, twenty-three".