2111311219 has 2 divisors, whose sum is σ = 2111311220. Its totient is φ = 2111311218.

The previous prime is 2111311177. The next prime is 2111311229. The reversal of 2111311219 is 9121131112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111311219 - 2⁷ = 2111311091 is a prime.

It is a super-2 number, since 2×2111311219² = 8915270126950531922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111311219.

It is not a weakly prime, because it can be changed into another prime (2111311229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055655609 + 1055655610.

It is an arithmetic number, because the mean of its divisors is an integer number (1055655610).

Almost surely, 2^2111311219 is an apocalyptic number.

2111311219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111311219 is an equidigital number, since it uses as much as digits as its factorization.

2111311219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 22.

The square root of 2111311219 is about 45949.0067248466. The cubic root of 2111311219 is about 1282.8742415364.

The spelling of 2111311219 in words is "two billion, one hundred eleven million, three hundred eleven thousand, two hundred nineteen".