213122122331227 has 2 divisors, whose sum is σ = 213122122331228. Its totient is φ = 213122122331226.

The previous prime is 213122122331197. The next prime is 213122122331231. The reversal of 213122122331227 is 722133221221312.

213122122331227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213122122331227 - 2³⁹ = 212572366517339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213122122331192 and 213122122331201.

It is not a weakly prime, because it can be changed into another prime (213122122331257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106561061165613 + 106561061165614.

It is an arithmetic number, because the mean of its divisors is an integer number (106561061165614).

Almost surely, 2^{213122122331227} is an apocalyptic number.

213122122331227 is a deficient number, since it is larger than the sum of its proper divisors (1).

213122122331227 is an equidigital number, since it uses as much as digits as its factorization.

213122122331227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

Adding to 213122122331227 its reverse (722133221221312), we get a palindrome (935255343552539).

The spelling of 213122122331227 in words is "two hundred thirteen trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-seven".