100022211209 has 2 divisors, whose sum is σ = 100022211210. Its totient is φ = 100022211208.

The previous prime is 100022211173. The next prime is 100022211227. The reversal of 100022211209 is 902112220001.

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., 84348423184 + 15673788025 = 290428^2 + 125195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100022211209 is a prime.

It is not a weakly prime, because it can be changed into another prime (100022211229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011105604 + 50011105605.

It is an arithmetic number, because the mean of its divisors is an integer number (50011105605).

Almost surely, 2^100022211209 is an apocalyptic number.

It is an amenable number.

100022211209 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022211209 is an equidigital number, since it uses as much as digits as its factorization.

100022211209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 100022211209 in words is "one hundred billion, twenty-two million, two hundred eleven thousand, two hundred nine".