23112010111 has 2 divisors, whose sum is σ = 23112010112. Its totient is φ = 23112010110.

The previous prime is 23112010087. The next prime is 23112010127. The reversal of 23112010111 is 11101021132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112010111 is a prime.

It is a super-2 number, since 2×23112010111² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23112010091 and 23112010100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112010171) 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 as a sum of consecutive naturals, namely, 11556005055 + 11556005056.

It is an arithmetic number, because the mean of its divisors is an integer number (11556005056).

Almost surely, 2^23112010111 is an apocalyptic number.

23112010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112010111 is an equidigital number, since it uses as much as digits as its factorization.

23112010111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23112010111 its reverse (11101021132), we get a palindrome (34213031243).

The spelling of 23112010111 in words is "twenty-three billion, one hundred twelve million, ten thousand, one hundred eleven".