222120200120989 has 2 divisors, whose sum is σ = 222120200120990. Its totient is φ = 222120200120988.

The previous prime is 222120200120983. The next prime is 222120200121019. The reversal of 222120200120989 is 989021002021222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180683197004025 + 41437003116964 = 13441845^2 + 6437158^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120200120989 - 2³³ = 222111610186397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120200120983) 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, 111060100060494 + 111060100060495.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100060495).

Almost surely, 2^{222120200120989} is an apocalyptic number.

It is an amenable number.

222120200120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120200120989 is an equidigital number, since it uses as much as digits as its factorization.

222120200120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 222120200120989 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty thousand, nine hundred eighty-nine".