12211120009111 has 2 divisors, whose sum is σ = 12211120009112. Its totient is φ = 12211120009110.

The previous prime is 12211120009001. The next prime is 12211120009159. The reversal of 12211120009111 is 11190002111221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211120009111 - 2¹⁷ = 12211119878039 is a prime.

It is a super-2 number, since 2×12211120009111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211120009211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560004555 + 6105560004556.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560004556).

Almost surely, 2^{12211120009111} is an apocalyptic number.

12211120009111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211120009111 is an equidigital number, since it uses as much as digits as its factorization.

12211120009111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12211120009111 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, nine thousand, one hundred eleven".