100220099989 has 2 divisors, whose sum is σ = 100220099990. Its totient is φ = 100220099988.

The previous prime is 100220099963. The next prime is 100220100023. The reversal of 100220099989 is 989990022001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93279543889 + 6940556100 = 305417^2 + 83310^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220099989 - 2¹¹ = 100220097941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100220099909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110049994 + 50110049995.

It is an arithmetic number, because the mean of its divisors is an integer number (50110049995).

Almost surely, 2^100220099989 is an apocalyptic number.

It is an amenable number.

100220099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220099989 is an equidigital number, since it uses as much as digits as its factorization.

100220099989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 100220099989 in words is "one hundred billion, two hundred twenty million, ninety-nine thousand, nine hundred eighty-nine".