1122777772211 has 2 divisors, whose sum is σ = 1122777772212. Its totient is φ = 1122777772210.

The previous prime is 1122777772189. The next prime is 1122777772213.

1122777772211 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122777772211 is a prime.

Together with 1122777772213, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1122777772213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561388886105 + 561388886106.

It is an arithmetic number, because the mean of its divisors is an integer number (561388886106).

Almost surely, 2^{1122777772211} is an apocalyptic number.

1122777772211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122777772211 is an equidigital number, since it uses as much as digits as its factorization.

1122777772211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268912, while the sum is 47.

The spelling of 1122777772211 in words is "one trillion, one hundred twenty-two billion, seven hundred seventy-seven million, seven hundred seventy-two thousand, two hundred eleven".