11121212010023 has 2 divisors, whose sum is σ = 11121212010024. Its totient is φ = 11121212010022.

The previous prime is 11121212010001. The next prime is 11121212010031. The reversal of 11121212010023 is 32001021212111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121212010023 - 2⁶ = 11121212009959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121212009983 and 11121212010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121212010323) 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 as a sum of consecutive naturals, namely, 5560606005011 + 5560606005012.

It is an arithmetic number, because the mean of its divisors is an integer number (5560606005012).

Almost surely, 2^{11121212010023} is an apocalyptic number.

11121212010023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121212010023 is an equidigital number, since it uses as much as digits as its factorization.

11121212010023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11121212010023 its reverse (32001021212111), we get a palindrome (43122233222134).

The spelling of 11121212010023 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, twenty-three".