1122022100989 has 2 divisors, whose sum is σ = 1122022100990. Its totient is φ = 1122022100988.

The previous prime is 1122022100959. The next prime is 1122022101047. The reversal of 1122022100989 is 9890012202211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661510568889 + 460511532100 = 813333^2 + 678610^2 .

It is an emirp because it is prime and its reverse (9890012202211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122022100989 - 2¹⁵ = 1122022068221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122022100959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561011050494 + 561011050495.

It is an arithmetic number, because the mean of its divisors is an integer number (561011050495).

Almost surely, 2^{1122022100989} is an apocalyptic number.

It is an amenable number.

1122022100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122022100989 is an equidigital number, since it uses as much as digits as its factorization.

1122022100989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 1122022100989 in words is "one trillion, one hundred twenty-two billion, twenty-two million, one hundred thousand, nine hundred eighty-nine".