1122020201089 has 2 divisors, whose sum is σ = 1122020201090. Its totient is φ = 1122020201088.

The previous prime is 1122020201087. The next prime is 1122020201149. The reversal of 1122020201089 is 9801020202211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631123791489 + 490896409600 = 794433^2 + 700640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122020201089 - 2¹ = 1122020201087 is a prime.

Together with 1122020201087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1122020201087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010100544 + 561010100545.

It is an arithmetic number, because the mean of its divisors is an integer number (561010100545).

Almost surely, 2^{1122020201089} is an apocalyptic number.

It is an amenable number.

1122020201089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020201089 is an equidigital number, since it uses as much as digits as its factorization.

1122020201089 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1122020201089 in words is "one trillion, one hundred twenty-two billion, twenty million, two hundred one thousand, eighty-nine".