22211021089 has 2 divisors, whose sum is σ = 22211021090. Its totient is φ = 22211021088.

The previous prime is 22211021069. The next prime is 22211021167. The reversal of 22211021089 is 98012011222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14764194064 + 7446827025 = 121508^2 + 86295^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211021089 - 2¹¹ = 22211019041 is a prime.

It is not a weakly prime, because it can be changed into another prime (22211021069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105510544 + 11105510545.

It is an arithmetic number, because the mean of its divisors is an integer number (11105510545).

Almost surely, 2^22211021089 is an apocalyptic number.

It is an amenable number.

22211021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211021089 is an equidigital number, since it uses as much as digits as its factorization.

22211021089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 22211021089 in words is "twenty-two billion, two hundred eleven million, twenty-one thousand, eighty-nine".