221122227113 has 2 divisors, whose sum is σ = 221122227114. Its totient is φ = 221122227112.

The previous prime is 221122227089. The next prime is 221122227119. The reversal of 221122227113 is 311722221122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167143604224 + 53978622889 = 408832^2 + 232333^2 .

It is a cyclic number.

It is not a de Polignac number, because 221122227113 - 2²² = 221118032809 is a prime.

It is not a weakly prime, because it can be changed into another prime (221122227119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561113556 + 110561113557.

It is an arithmetic number, because the mean of its divisors is an integer number (110561113557).

Almost surely, 2^221122227113 is an apocalyptic number.

It is an amenable number.

221122227113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122227113 is an equidigital number, since it uses as much as digits as its factorization.

221122227113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

Adding to 221122227113 its reverse (311722221122), we get a palindrome (532844448235).

The spelling of 221122227113 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-seven thousand, one hundred thirteen".