100202220109 has 2 divisors, whose sum is σ = 100202220110. Its totient is φ = 100202220108.

The previous prime is 100202220071. The next prime is 100202220119. The reversal of 100202220109 is 901022202001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98875658025 + 1326562084 = 314445^2 + 36422^2 .

It is a cyclic number.

It is not a de Polignac number, because 100202220109 - 2¹⁵ = 100202187341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100202220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101110054 + 50101110055.

It is an arithmetic number, because the mean of its divisors is an integer number (50101110055).

Almost surely, 2^100202220109 is an apocalyptic number.

It is an amenable number.

100202220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202220109 is an equidigital number, since it uses as much as digits as its factorization.

100202220109 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 19.

The spelling of 100202220109 in words is "one hundred billion, two hundred two million, two hundred twenty thousand, one hundred nine".