100220000009 has 2 divisors, whose sum is σ = 100220000010. Its totient is φ = 100220000008.

The previous prime is 100219999967. The next prime is 100220000033. The reversal of 100220000009 is 900000022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98346841609 + 1873158400 = 313603^2 + 43280^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220000009 - 2²⁴ = 100203222793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100219999948 and 100220000002.

It is not a weakly prime, because it can be changed into another prime (100220005009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110000004 + 50110000005.

It is an arithmetic number, because the mean of its divisors is an integer number (50110000005).

Almost surely, 2^100220000009 is an apocalyptic number.

It is an amenable number.

100220000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220000009 is an equidigital number, since it uses as much as digits as its factorization.

100220000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 100220000009 in words is "one hundred billion, two hundred twenty million, nine", and thus it is an aban number.