100202221019 has 2 divisors, whose sum is σ = 100202221020. Its totient is φ = 100202221018.

The previous prime is 100202220997. The next prime is 100202221027. The reversal of 100202221019 is 910122202001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100202221019 - 2¹² = 100202216923 is a prime.

It is a super-2 number, since 2×100202221019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100202221919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101110509 + 50101110510.

It is an arithmetic number, because the mean of its divisors is an integer number (50101110510).

Almost surely, 2^100202221019 is an apocalyptic number.

100202221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202221019 is an equidigital number, since it uses as much as digits as its factorization.

100202221019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 100202221019 in words is "one hundred billion, two hundred two million, two hundred twenty-one thousand, nineteen".