100023221227 has 2 divisors, whose sum is σ = 100023221228. Its totient is φ = 100023221226.

The previous prime is 100023221203. The next prime is 100023221237. The reversal of 100023221227 is 722122320001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100023221227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100023221198 and 100023221207.

It is not a weakly prime, because it can be changed into another prime (100023221237) 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, 50011610613 + 50011610614.

It is an arithmetic number, because the mean of its divisors is an integer number (50011610614).

Almost surely, 2^100023221227 is an apocalyptic number.

100023221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023221227 is an equidigital number, since it uses as much as digits as its factorization.

100023221227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 100023221227 its reverse (722122320001), we get a palindrome (822145541228).

The spelling of 100023221227 in words is "one hundred billion, twenty-three million, two hundred twenty-one thousand, two hundred twenty-seven".