221122012183 has 2 divisors, whose sum is σ = 221122012184. Its totient is φ = 221122012182.

The previous prime is 221122012171. The next prime is 221122012261. The reversal of 221122012183 is 381210221122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122012183 - 2¹⁷ = 221121881111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122012283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561006091 + 110561006092.

It is an arithmetic number, because the mean of its divisors is an integer number (110561006092).

Almost surely, 2^221122012183 is an apocalyptic number.

221122012183 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122012183 is an equidigital number, since it uses as much as digits as its factorization.

221122012183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 221122012183 in words is "two hundred twenty-one billion, one hundred twenty-two million, twelve thousand, one hundred eighty-three".