101111001223 has 2 divisors, whose sum is σ = 101111001224. Its totient is φ = 101111001222.

The previous prime is 101111001151. The next prime is 101111001227. The reversal of 101111001223 is 322100111101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (322100111101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101111001223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111001227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555500611 + 50555500612.

It is an arithmetic number, because the mean of its divisors is an integer number (50555500612).

Almost surely, 2^101111001223 is an apocalyptic number.

101111001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111001223 is an equidigital number, since it uses as much as digits as its factorization.

101111001223 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 101111001223 its reverse (322100111101), we get a palindrome (423211112324).

The spelling of 101111001223 in words is "one hundred one billion, one hundred eleven million, one thousand, two hundred twenty-three".