110021222989 has 2 divisors, whose sum is σ = 110021222990. Its totient is φ = 110021222988.

The previous prime is 110021222981. The next prime is 110021223007. The reversal of 110021222989 is 989222120011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105847416964 + 4173806025 = 325342^2 + 64605^2 .

It is an emirp because it is prime and its reverse (989222120011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110021222989 - 2³ = 110021222981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021222981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010611494 + 55010611495.

It is an arithmetic number, because the mean of its divisors is an integer number (55010611495).

Almost surely, 2^110021222989 is an apocalyptic number.

It is an amenable number.

110021222989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021222989 is an equidigital number, since it uses as much as digits as its factorization.

110021222989 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 110021222989 in words is "one hundred ten billion, twenty-one million, two hundred twenty-two thousand, nine hundred eighty-nine".