11020222211989 has 2 divisors, whose sum is σ = 11020222211990. Its totient is φ = 11020222211988.

The previous prime is 11020222211983. The next prime is 11020222212017. The reversal of 11020222211989 is 98911222202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11004711502225 + 15510709764 = 3317335^2 + 124542^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020222211989 - 2²⁷ = 11020087994261 is a prime.

It is a super-2 number, since 2×11020222211989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020222211983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510111105994 + 5510111105995.

It is an arithmetic number, because the mean of its divisors is an integer number (5510111105995).

Almost surely, 2^{11020222211989} is an apocalyptic number.

It is an amenable number.

11020222211989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020222211989 is an equidigital number, since it uses as much as digits as its factorization.

11020222211989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 11020222211989 in words is "eleven trillion, twenty billion, two hundred twenty-two million, two hundred eleven thousand, nine hundred eighty-nine".