11412132332221 has 8 divisors (see below), whose sum is σ = 11431559978424. Its totient is φ = 11392707701760.

The previous prime is 11412132332177. The next prime is 11412132332273. The reversal of 11412132332221 is 12223323121411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 601260668100 + 10810871664121 = 775410^2 + 3287989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11412132332221 - 2¹⁵ = 11412132299453 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 11412132332221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412132333221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6886701 + ... + 8381581.

It is an arithmetic number, because the mean of its divisors is an integer number (1428944997303).

Almost surely, 2^{11412132332221} is an apocalyptic number.

It is an amenable number.

11412132332221 is a deficient number, since it is larger than the sum of its proper divisors (19427646203).

11412132332221 is a wasteful number, since it uses less digits than its factorization.

11412132332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507871.

The product of its digits is 3456, while the sum is 28.

Adding to 11412132332221 its reverse (12223323121411), we get a palindrome (23635455453632).

The spelling of 11412132332221 in words is "eleven trillion, four hundred twelve billion, one hundred thirty-two million, three hundred thirty-two thousand, two hundred twenty-one".