2210320211989 has 2 divisors, whose sum is σ = 2210320211990. Its totient is φ = 2210320211988.

The previous prime is 2210320211987. The next prime is 2210320212043. The reversal of 2210320211989 is 9891120230122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2203294922500 + 7025289489 = 1484350^2 + 83817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210320211989 - 2¹ = 2210320211987 is a prime.

It is a super-2 number, since 2×2210320211989² (a number of 25 digits) contains 22 as substring.

Together with 2210320211987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210320211987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105160105994 + 1105160105995.

It is an arithmetic number, because the mean of its divisors is an integer number (1105160105995).

Almost surely, 2^{2210320211989} is an apocalyptic number.

It is an amenable number.

2210320211989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210320211989 is an equidigital number, since it uses as much as digits as its factorization.

2210320211989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 2210320211989 in words is "two trillion, two hundred ten billion, three hundred twenty million, two hundred eleven thousand, nine hundred eighty-nine".