100222113809 has 2 divisors, whose sum is σ = 100222113810. Its totient is φ = 100222113808.

The previous prime is 100222113799. The next prime is 100222113829. The reversal of 100222113809 is 908311222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59278614784 + 40943499025 = 243472^2 + 202345^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222113809 - 2¹⁶ = 100222048273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100222113829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111056904 + 50111056905.

It is an arithmetic number, because the mean of its divisors is an integer number (50111056905).

Almost surely, 2^100222113809 is an apocalyptic number.

It is an amenable number.

100222113809 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222113809 is an equidigital number, since it uses as much as digits as its factorization.

100222113809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 100222113809 in words is "one hundred billion, two hundred twenty-two million, one hundred thirteen thousand, eight hundred nine".