221122011167 has 2 divisors, whose sum is σ = 221122011168. Its totient is φ = 221122011166.

The previous prime is 221122011163. The next prime is 221122011269. The reversal of 221122011167 is 761110221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122011167 - 2² = 221122011163 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122011161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561005583 + 110561005584.

It is an arithmetic number, because the mean of its divisors is an integer number (110561005584).

Almost surely, 2^221122011167 is an apocalyptic number.

221122011167 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122011167 is an equidigital number, since it uses as much as digits as its factorization.

221122011167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 221122011167 its reverse (761110221122), we get a palindrome (982232232289).

The spelling of 221122011167 in words is "two hundred twenty-one billion, one hundred twenty-two million, eleven thousand, one hundred sixty-seven".