12211121000227 has 2 divisors, whose sum is σ = 12211121000228. Its totient is φ = 12211121000226.

The previous prime is 12211121000189. The next prime is 12211121000263. The reversal of 12211121000227 is 72200012111221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211121000227 - 2²³ = 12211112611619 is a prime.

It is a super-2 number, since 2×12211121000227² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211121000198 and 12211121000207.

It is not a weakly prime, because it can be changed into another prime (12211125000227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560500113 + 6105560500114.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560500114).

Almost surely, 2^{12211121000227} is an apocalyptic number.

12211121000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211121000227 is an equidigital number, since it uses as much as digits as its factorization.

12211121000227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12211121000227 its reverse (72200012111221), we get a palindrome (84411133111448).

The spelling of 12211121000227 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty-seven", and thus it is an aban number.