220010011811 has 2 divisors, whose sum is σ = 220010011812. Its totient is φ = 220010011810.

The previous prime is 220010011789. The next prime is 220010011813. The reversal of 220010011811 is 118110010022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220010011811 - 2¹⁸ = 220009749667 is a prime.

Together with 220010011813, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220010011811.

It is not a weakly prime, because it can be changed into another prime (220010011813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005005905 + 110005005906.

It is an arithmetic number, because the mean of its divisors is an integer number (110005005906).

Almost surely, 2^220010011811 is an apocalyptic number.

220010011811 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010011811 is an equidigital number, since it uses as much as digits as its factorization.

220010011811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220010011811 its reverse (118110010022), we get a palindrome (338120021833).

The spelling of 220010011811 in words is "two hundred twenty billion, ten million, eleven thousand, eight hundred eleven".