11213221121331 has 32 divisors (see below), whose sum is σ = 15559030848768. Its totient is φ = 7177511053440.

The previous prime is 11213221121329. The next prime is 11213221121393. The reversal of 11213221121331 is 13312112231211.

It is not a de Polignac number, because 11213221121331 - 2¹ = 11213221121329 is a prime.

It is a super-2 number, since 2×11213221121331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213221121831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12364945 + ... + 13240781.

It is an arithmetic number, because the mean of its divisors is an integer number (486219714024).

Almost surely, 2^{11213221121331} is an apocalyptic number.

11213221121331 is a deficient number, since it is larger than the sum of its proper divisors (4345809727437).

11213221121331 is a wasteful number, since it uses less digits than its factorization.

11213221121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877571.

The product of its digits is 432, while the sum is 24.

Adding to 11213221121331 its reverse (13312112231211), we get a palindrome (24525333352542).

The spelling of 11213221121331 in words is "eleven trillion, two hundred thirteen billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-one".