222221201021189 has 2 divisors, whose sum is σ = 222221201021190. Its totient is φ = 222221201021188.

The previous prime is 222221201021143. The next prime is 222221201021233. The reversal of 222221201021189 is 981120102122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157326221850625 + 64894979170564 = 12542975^2 + 8055742^2 .

It is a cyclic number.

It is not a de Polignac number, because 222221201021189 - 2⁸ = 222221201020933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221201026189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110600510594 + 111110600510595.

It is an arithmetic number, because the mean of its divisors is an integer number (111110600510595).

Almost surely, 2^{222221201021189} is an apocalyptic number.

It is an amenable number.

222221201021189 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221201021189 is an equidigital number, since it uses as much as digits as its factorization.

222221201021189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 222221201021189 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred one million, twenty-one thousand, one hundred eighty-nine".