110201201022221 has 4 divisors (see below), whose sum is σ = 110277044933532. Its totient is φ = 110125357110912.

The previous prime is 110201201022161. The next prime is 110201201022313. The reversal of 110201201022221 is 122220102102011.

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 73309984515625 + 36891216506596 = 8562125^2 + 6073814^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201201022221 - 2¹⁴ = 110201201005837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110201201022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201201022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37921953476 + ... + 37921956381.

It is an arithmetic number, because the mean of its divisors is an integer number (27569261233383).

Almost surely, 2^{110201201022221} is an apocalyptic number.

It is an amenable number.

110201201022221 is a deficient number, since it is larger than the sum of its proper divisors (75843911311).

110201201022221 is an equidigital number, since it uses as much as digits as its factorization.

110201201022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75843911310.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110201201022221 its reverse (122220102102011), we get a palindrome (232421303124232).

The spelling of 110201201022221 in words is "one hundred ten trillion, two hundred one billion, two hundred one million, twenty-two thousand, two hundred twenty-one".