2220212111009 has 2 divisors, whose sum is σ = 2220212111010. Its totient is φ = 2220212111008.

The previous prime is 2220212110999. The next prime is 2220212111011. The reversal of 2220212111009 is 9001112120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607862040225 + 612350070784 = 1268015^2 + 782528^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220212111009 - 2²⁸ = 2219943675553 is a prime.

Together with 2220212111011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2220212111059) 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, 1110106055504 + 1110106055505.

It is an arithmetic number, because the mean of its divisors is an integer number (1110106055505).

Almost surely, 2^{2220212111009} is an apocalyptic number.

It is an amenable number.

2220212111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220212111009 is an equidigital number, since it uses as much as digits as its factorization.

2220212111009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 2220212111009 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, nine".