2011213819 has 2 divisors, whose sum is σ = 2011213820. Its totient is φ = 2011213818.

The previous prime is 2011213793. The next prime is 2011213861. The reversal of 2011213819 is 9183121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011213819 - 2¹⁹ = 2010689531 is a prime.

It is a super-2 number, since 2×2011213819² = 8089962051473129522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011213879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005606909 + 1005606910.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606910).

Almost surely, 2^2011213819 is an apocalyptic number.

2011213819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011213819 is an equidigital number, since it uses as much as digits as its factorization.

2011213819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 2011213819 is about 44846.5586082143. The cubic root of 2011213819 is about 1262.2714170223.

The spelling of 2011213819 in words is "two billion, eleven million, two hundred thirteen thousand, eight hundred nineteen".