221214421133 has 2 divisors, whose sum is σ = 221214421134. Its totient is φ = 221214421132.

The previous prime is 221214421091. The next prime is 221214421177. The reversal of 221214421133 is 331124412122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219485691049 + 1728730084 = 468493^2 + 41578^2 .

It is a cyclic number.

It is not a de Polignac number, because 221214421133 - 2¹⁶ = 221214355597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221214421033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110607210566 + 110607210567.

It is an arithmetic number, because the mean of its divisors is an integer number (110607210567).

Almost surely, 2^221214421133 is an apocalyptic number.

It is an amenable number.

221214421133 is a deficient number, since it is larger than the sum of its proper divisors (1).

221214421133 is an equidigital number, since it uses as much as digits as its factorization.

221214421133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

Adding to 221214421133 its reverse (331124412122), we get a palindrome (552338833255).

The spelling of 221214421133 in words is "two hundred twenty-one billion, two hundred fourteen million, four hundred twenty-one thousand, one hundred thirty-three".