110201220310021 has 4 divisors (see below), whose sum is σ = 110212350632044. Its totient is φ = 110190089988000.

The previous prime is 110201220310019. The next prime is 110201220310063. The reversal of 110201220310021 is 120013022102011.

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 96435562065921 + 13765658244100 = 9820161^2 + 3710210^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201220310021 - 2¹ = 110201220310019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201220309977 and 110201220310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201220310081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5565146160 + ... + 5565165961.

It is an arithmetic number, because the mean of its divisors is an integer number (27553087658011).

Almost surely, 2^{110201220310021} is an apocalyptic number.

It is an amenable number.

110201220310021 is a deficient number, since it is larger than the sum of its proper divisors (11130322023).

110201220310021 is an equidigital number, since it uses as much as digits as its factorization.

110201220310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130322022.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110201220310021 its reverse (120013022102011), we get a palindrome (230214242412032).

The spelling of 110201220310021 in words is "one hundred ten trillion, two hundred one billion, two hundred twenty million, three hundred ten thousand, twenty-one".