222100010989 has 2 divisors, whose sum is σ = 222100010990. Its totient is φ = 222100010988.

The previous prime is 222100010971. The next prime is 222100011047. The reversal of 222100010989 is 989010001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208634265225 + 13465745764 = 456765^2 + 116042^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100010989 - 2²³ = 222091622381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100010929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050005494 + 111050005495.

It is an arithmetic number, because the mean of its divisors is an integer number (111050005495).

Almost surely, 2^222100010989 is an apocalyptic number.

It is an amenable number.

222100010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100010989 is an equidigital number, since it uses as much as digits as its factorization.

222100010989 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 222100010989 in words is "two hundred twenty-two billion, one hundred million, ten thousand, nine hundred eighty-nine".