10221111227 has 2 divisors, whose sum is σ = 10221111228. Its totient is φ = 10221111226.

The previous prime is 10221111203. The next prime is 10221111247. The reversal of 10221111227 is 72211112201.

It is a happy number.

It is an a-pointer prime, because the next prime (10221111247) can be obtained adding 10221111227 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221111227 - 2⁶ = 10221111163 is a prime.

It is a super-2 number, since 2×10221111227² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221111199 and 10221111208.

It is not a weakly prime, because it can be changed into another prime (10221111247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110555613 + 5110555614.

It is an arithmetic number, because the mean of its divisors is an integer number (5110555614).

Almost surely, 2^10221111227 is an apocalyptic number.

10221111227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221111227 is an equidigital number, since it uses as much as digits as its factorization.

10221111227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 10221111227 its reverse (72211112201), we get a palindrome (82432223428).

The spelling of 10221111227 in words is "ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-seven".