10002219901 has 2 divisors, whose sum is σ = 10002219902. Its totient is φ = 10002219900.

The previous prime is 10002219881. The next prime is 10002219923. The reversal of 10002219901 is 10991220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9889308025 + 112911876 = 99445^2 + 10626^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002219901 - 2⁹ = 10002219389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002219991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001109950 + 5001109951.

It is an arithmetic number, because the mean of its divisors is an integer number (5001109951).

Almost surely, 2^10002219901 is an apocalyptic number.

It is an amenable number.

10002219901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002219901 is an equidigital number, since it uses as much as digits as its factorization.

10002219901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 10002219901 its reverse (10991220001), we get a palindrome (20993439902).

The spelling of 10002219901 in words is "ten billion, two million, two hundred nineteen thousand, nine hundred one".