1211133132211 has 2 divisors, whose sum is σ = 1211133132212. Its totient is φ = 1211133132210.

The previous prime is 1211133132199. The next prime is 1211133132241. The reversal of 1211133132211 is 1122313311121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211133132211 - 2¹⁷ = 1211133001139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211133132241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605566566105 + 605566566106.

It is an arithmetic number, because the mean of its divisors is an integer number (605566566106).

Almost surely, 2^{1211133132211} is an apocalyptic number.

1211133132211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211133132211 is an equidigital number, since it uses as much as digits as its factorization.

1211133132211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

Adding to 1211133132211 its reverse (1122313311121), we get a palindrome (2333446443332).

The spelling of 1211133132211 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, one hundred thirty-two thousand, two hundred eleven".