222020102189 has 2 divisors, whose sum is σ = 222020102190. Its totient is φ = 222020102188.

The previous prime is 222020102179. The next prime is 222020102191. The reversal of 222020102189 is 981201020222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219239332900 + 2780769289 = 468230^2 + 52733^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020102189 - 2⁴ = 222020102173 is a prime.

Together with 222020102191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020102179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010051094 + 111010051095.

It is an arithmetic number, because the mean of its divisors is an integer number (111010051095).

Almost surely, 2^222020102189 is an apocalyptic number.

It is an amenable number.

222020102189 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020102189 is an equidigital number, since it uses as much as digits as its factorization.

222020102189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 222020102189 in words is "two hundred twenty-two billion, twenty million, one hundred two thousand, one hundred eighty-nine".