221001113227 has 2 divisors, whose sum is σ = 221001113228. Its totient is φ = 221001113226.

The previous prime is 221001113101. The next prime is 221001113323. The reversal of 221001113227 is 722311100122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221001113227 - 2¹⁵ = 221001080459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221001113198 and 221001113207.

It is not a weakly prime, because it can be changed into another prime (221001153227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500556613 + 110500556614.

It is an arithmetic number, because the mean of its divisors is an integer number (110500556614).

Almost surely, 2^221001113227 is an apocalyptic number.

221001113227 is a deficient number, since it is larger than the sum of its proper divisors (1).

221001113227 is an equidigital number, since it uses as much as digits as its factorization.

221001113227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 221001113227 its reverse (722311100122), we get a palindrome (943312213349).

The spelling of 221001113227 in words is "two hundred twenty-one billion, one million, one hundred thirteen thousand, two hundred twenty-seven".