11100212212211 has 2 divisors, whose sum is σ = 11100212212212. Its totient is φ = 11100212212210.

The previous prime is 11100212212207. The next prime is 11100212212213. The reversal of 11100212212211 is 11221221200111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11100212212211 - 2² = 11100212212207 is a prime.

It is a super-2 number, since 2×11100212212211² (a number of 27 digits) contains 22 as substring.

Together with 11100212212213, 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 11100212212211.

It is not a weakly prime, because it can be changed into another prime (11100212212213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550106106105 + 5550106106106.

It is an arithmetic number, because the mean of its divisors is an integer number (5550106106106).

Almost surely, 2^{11100212212211} is an apocalyptic number.

11100212212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100212212211 is an equidigital number, since it uses as much as digits as its factorization.

11100212212211 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 11100212212211 its reverse (11221221200111), we get a palindrome (22321433412322).

The spelling of 11100212212211 in words is "eleven trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".