1101422313221 has 4 divisors (see below), whose sum is σ = 1111169413452. Its totient is φ = 1091675212992.

The previous prime is 1101422313179. The next prime is 1101422313281. The reversal of 1101422313221 is 1223132241011.

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 460886200996 + 640536112225 = 678886^2 + 800335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101422313221 - 2¹⁸ = 1101422051077 is a prime.

It is a super-2 number, since 2×1101422313221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101422313281) 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, 4873549946 + ... + 4873550171.

It is an arithmetic number, because the mean of its divisors is an integer number (277792353363).

Almost surely, 2^{1101422313221} is an apocalyptic number.

It is an amenable number.

1101422313221 is a deficient number, since it is larger than the sum of its proper divisors (9747100231).

1101422313221 is an equidigital number, since it uses as much as digits as its factorization.

1101422313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747100230.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1101422313221 its reverse (1223132241011), we get a palindrome (2324554554232).

The spelling of 1101422313221 in words is "one trillion, one hundred one billion, four hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".