2211320819 has 2 divisors, whose sum is σ = 2211320820. Its totient is φ = 2211320818.

The previous prime is 2211320801. The next prime is 2211320827. The reversal of 2211320819 is 9180231122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211320819 is a prime.

It is a super-2 number, since 2×2211320819² = 9779879529085661522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211320791 and 2211320800.

It is not a weakly prime, because it can be changed into another prime (2211320869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105660409 + 1105660410.

It is an arithmetic number, because the mean of its divisors is an integer number (1105660410).

Almost surely, 2^2211320819 is an apocalyptic number.

2211320819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211320819 is an equidigital number, since it uses as much as digits as its factorization.

2211320819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2211320819 is about 47024.6830823983. The cubic root of 2211320819 is about 1302.8185039739.

The spelling of 2211320819 in words is "two billion, two hundred eleven million, three hundred twenty thousand, eight hundred nineteen".