11331333213121 has 8 divisors (see below), whose sum is σ = 11438737859520. Its totient is φ = 11223956425008.

The previous prime is 11331333213103. The next prime is 11331333213139. The reversal of 11331333213121 is 12131233313311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11331333213103) and next prime (11331333213139).

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 11331333213121 - 2⁵ = 11331333213089 is a prime.

It is a super-2 number, since 2×11331333213121² (a number of 27 digits) contains 22 as substring.

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 11331333213121.

It is not an unprimeable number, because it can be changed into a prime (11331333214121) 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 7 ways as a sum of consecutive naturals, for example, 6146766 + ... + 7774663.

It is an arithmetic number, because the mean of its divisors is an integer number (1429842232440).

Almost surely, 2^{11331333213121} is an apocalyptic number.

It is an amenable number.

11331333213121 is a deficient number, since it is larger than the sum of its proper divisors (107404646399).

11331333213121 is a wasteful number, since it uses less digits than its factorization.

11331333213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929143.

The product of its digits is 2916, while the sum is 28.

Adding to 11331333213121 its reverse (12131233313311), we get a palindrome (23462566526432).

The spelling of 11331333213121 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-one".