2211223194811 has 2 divisors, whose sum is σ = 2211223194812. Its totient is φ = 2211223194810.

The previous prime is 2211223194737. The next prime is 2211223194827. The reversal of 2211223194811 is 1184913221122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211223194811 - 2¹³ = 2211223186619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211223192811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105611597405 + 1105611597406.

It is an arithmetic number, because the mean of its divisors is an integer number (1105611597406).

Almost surely, 2^{2211223194811} is an apocalyptic number.

2211223194811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211223194811 is an equidigital number, since it uses as much as digits as its factorization.

2211223194811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 37.

The spelling of 2211223194811 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, one hundred ninety-four thousand, eight hundred eleven".