2221220210189 has 2 divisors, whose sum is σ = 2221220210190. Its totient is φ = 2221220210188.

The previous prime is 2221220210059. The next prime is 2221220210191. The reversal of 2221220210189 is 9810120221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1769445342025 + 451774868164 = 1330205^2 + 672142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221220210189 is a prime.

Together with 2221220210191, 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 (2221220210689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110610105094 + 1110610105095.

It is an arithmetic number, because the mean of its divisors is an integer number (1110610105095).

Almost surely, 2^{2221220210189} is an apocalyptic number.

It is an amenable number.

2221220210189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221220210189 is an equidigital number, since it uses as much as digits as its factorization.

2221220210189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 2221220210189 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, one hundred eighty-nine".