23221102109 has 2 divisors, whose sum is σ = 23221102110. Its totient is φ = 23221102108.

The previous prime is 23221102057. The next prime is 23221102123. The reversal of 23221102109 is 90120112232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21324760900 + 1896341209 = 146030^2 + 43547^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221102109 - 2³² = 18926134813 is a prime.

It is a super-3 number, since 3×23221102109³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221102409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610551054 + 11610551055.

It is an arithmetic number, because the mean of its divisors is an integer number (11610551055).

Almost surely, 2^23221102109 is an apocalyptic number.

It is an amenable number.

23221102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221102109 is an equidigital number, since it uses as much as digits as its factorization.

23221102109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 23221102109 in words is "twenty-three billion, two hundred twenty-one million, one hundred two thousand, one hundred nine".