1122211230211 has 2 divisors, whose sum is σ = 1122211230212. Its totient is φ = 1122211230210.

The previous prime is 1122211230113. The next prime is 1122211230223. The reversal of 1122211230211 is 1120321122211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122211230211 - 2¹¹ = 1122211228163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122211230311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105615105 + 561105615106.

It is an arithmetic number, because the mean of its divisors is an integer number (561105615106).

Almost surely, 2^{1122211230211} is an apocalyptic number.

1122211230211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122211230211 is an equidigital number, since it uses as much as digits as its factorization.

1122211230211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1122211230211 its reverse (1120321122211), we get a palindrome (2242532352422).

The spelling of 1122211230211 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred thirty thousand, two hundred eleven".