10345211111 has 2 divisors, whose sum is σ = 10345211112. Its totient is φ = 10345211110.

The previous prime is 10345211083. The next prime is 10345211113. The reversal of 10345211111 is 11111254301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10345211111 - 2⁶ = 10345211047 is a prime.

Together with 10345211113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10345211113) 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, 5172605555 + 5172605556.

It is an arithmetic number, because the mean of its divisors is an integer number (5172605556).

Almost surely, 2^10345211111 is an apocalyptic number.

10345211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10345211111 is an equidigital number, since it uses as much as digits as its factorization.

10345211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 10345211111 its reverse (11111254301), we get a palindrome (21456465412).

The spelling of 10345211111 in words is "ten billion, three hundred forty-five million, two hundred eleven thousand, one hundred eleven".