220221322133 has 2 divisors, whose sum is σ = 220221322134. Its totient is φ = 220221322132.

The previous prime is 220221322091. The next prime is 220221322147. The reversal of 220221322133 is 331223122022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206132344324 + 14088977809 = 454018^2 + 118697^2 .

It is a cyclic number.

It is not a de Polignac number, because 220221322133 - 2⁸ = 220221321877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220221322099 and 220221322108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220221322183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110661066 + 110110661067.

It is an arithmetic number, because the mean of its divisors is an integer number (110110661067).

Almost surely, 2^220221322133 is an apocalyptic number.

It is an amenable number.

220221322133 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221322133 is an equidigital number, since it uses as much as digits as its factorization.

220221322133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220221322133 its reverse (331223122022), we get a palindrome (551444444155).

The spelling of 220221322133 in words is "two hundred twenty billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-three".