100002219973 has 2 divisors, whose sum is σ = 100002219974. Its totient is φ = 100002219972.

The previous prime is 100002219923. The next prime is 100002219991. The reversal of 100002219973 is 379912200001.

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., 95980377249 + 4021842724 = 309807^2 + 63418^2 .

It is a cyclic number.

It is not a de Polignac number, because 100002219973 - 2⁹ = 100002219461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100002219923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001109986 + 50001109987.

It is an arithmetic number, because the mean of its divisors is an integer number (50001109987).

Almost surely, 2^100002219973 is an apocalyptic number.

It is an amenable number.

100002219973 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002219973 is an equidigital number, since it uses as much as digits as its factorization.

100002219973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

Adding to 100002219973 its reverse (379912200001), we get a palindrome (479914419974).

The spelling of 100002219973 in words is "one hundred billion, two million, two hundred nineteen thousand, nine hundred seventy-three".