110022020221 has 2 divisors, whose sum is σ = 110022020222. Its totient is φ = 110022020220.

The previous prime is 110022020149. The next prime is 110022020239. The reversal of 110022020221 is 122020220011.

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., 105631500100 + 4390520121 = 325010^2 + 66261^2 .

It is a cyclic number.

It is not a de Polignac number, because 110022020221 - 2¹¹ = 110022018173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110022020281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55011010110 + 55011010111.

It is an arithmetic number, because the mean of its divisors is an integer number (55011010111).

Almost surely, 2^110022020221 is an apocalyptic number.

It is an amenable number.

110022020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110022020221 is an equidigital number, since it uses as much as digits as its factorization.

110022020221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 110022020221 its reverse (122020220011), we get a palindrome (232042240232).

The spelling of 110022020221 in words is "one hundred ten billion, twenty-two million, twenty thousand, two hundred twenty-one".