22201021019 has 2 divisors, whose sum is σ = 22201021020. Its totient is φ = 22201021018.

The previous prime is 22201020971. The next prime is 22201021043. The reversal of 22201021019 is 91012010222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201021019 is a prime.

It is a super-2 number, since 2×22201021019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22201021099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510509 + 11100510510.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510510).

Almost surely, 2^22201021019 is an apocalyptic number.

22201021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201021019 is an equidigital number, since it uses as much as digits as its factorization.

22201021019 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 22201021019 in words is "twenty-two billion, two hundred one million, twenty-one thousand, nineteen".