110564221 has 2 divisors, whose sum is σ = 110564222. Its totient is φ = 110564220.

The previous prime is 110564219. The next prime is 110564231. The reversal of 110564221 is 122465011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76212900 + 34351321 = 8730^2 + 5861^2 .

It is an emirp because it is prime and its reverse (122465011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110564221 - 2¹ = 110564219 is a prime.

Together with 110564219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 110564192 and 110564201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110564231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55282110 + 55282111.

It is an arithmetic number, because the mean of its divisors is an integer number (55282111).

Almost surely, 2^110564221 is an apocalyptic number.

It is an amenable number.

110564221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110564221 is an equidigital number, since it uses as much as digits as its factorization.

110564221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 110564221 is about 10514.9522585697. The cubic root of 110564221 is about 479.9598071091.

The spelling of 110564221 in words is "one hundred ten million, five hundred sixty-four thousand, two hundred twenty-one".