110022122000221 has 4 divisors (see below), whose sum is σ = 110022143731612. Its totient is φ = 110022100268832.

The previous prime is 110022122000207. The next prime is 110022122000239. The reversal of 110022122000221 is 122000221220011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61408945540996 + 48613176459225 = 7836386^2 + 6972315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110022122000221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110022122000195 and 110022122000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022122000251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179295 + ... + 14880691.

It is an arithmetic number, because the mean of its divisors is an integer number (27505535932903).

Almost surely, 2^{110022122000221} is an apocalyptic number.

It is an amenable number.

110022122000221 is a deficient number, since it is larger than the sum of its proper divisors (21731391).

110022122000221 is an equidigital number, since it uses as much as digits as its factorization.

110022122000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21731390.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110022122000221 its reverse (122000221220011), we get a palindrome (232022343220232).

The spelling of 110022122000221 in words is "one hundred ten trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.