122440101044221 has 4 divisors (see below), whose sum is σ = 122440875762172. Its totient is φ = 122439326326272.

The previous prime is 122440101044207. The next prime is 122440101044249.

122440101044221 is nontrivially palindromic in base 10.

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 32144704336900 + 90295396707321 = 5669630^2 + 9502389^2 .

It is a cyclic number.

It is not a de Polignac number, because 122440101044221 - 2³³ = 122431511109629 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 122440101044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440101044281) 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, 387121860 + ... + 387438013.

It is an arithmetic number, because the mean of its divisors is an integer number (30610218940543).

Almost surely, 2^{122440101044221} is an apocalyptic number.

It is an amenable number.

122440101044221 is a deficient number, since it is larger than the sum of its proper divisors (774717951).

122440101044221 is an equidigital number, since it uses as much as digits as its factorization.

122440101044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774717950.

The product of its (nonzero) digits is 4096, while the sum is 28.

It can be divided in two parts, 12244010 and 1044221, that added together give a palindrome (13288231).

The spelling of 122440101044221 in words is "one hundred twenty-two trillion, four hundred forty billion, one hundred one million, forty-four thousand, two hundred twenty-one".