100022201989 has 2 divisors, whose sum is σ = 100022201990. Its totient is φ = 100022201988.

The previous prime is 100022201987. The next prime is 100022202061. The reversal of 100022201989 is 989102220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90025201764 + 9997000225 = 300042^2 + 99985^2 .

It is a cyclic number.

It is not a de Polignac number, because 100022201989 - 2¹ = 100022201987 is a prime.

It is a super-2 number, since 2×100022201989² (a number of 23 digits) contains 22 as substring.

Together with 100022201987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100022201987) 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, 50011100994 + 50011100995.

It is an arithmetic number, because the mean of its divisors is an integer number (50011100995).

Almost surely, 2^100022201989 is an apocalyptic number.

It is an amenable number.

100022201989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022201989 is an equidigital number, since it uses as much as digits as its factorization.

100022201989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 100022201989 in words is "one hundred billion, twenty-two million, two hundred one thousand, nine hundred eighty-nine".