11331131332121 has 8 divisors (see below), whose sum is σ = 11720194571904. Its totient is φ = 10947434482080.

The previous prime is 11331131332093. The next prime is 11331131332139. The reversal of 11331131332121 is 12123313113311.

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 11331131332121 - 2¹⁸ = 11331131069977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131332151) 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, 1341593141 + ... + 1341601586.

It is an arithmetic number, because the mean of its divisors is an integer number (1465024321488).

Almost surely, 2^{11331131332121} is an apocalyptic number.

It is an amenable number.

11331131332121 is a deficient number, since it is larger than the sum of its proper divisors (389063239783).

11331131332121 is a wasteful number, since it uses less digits than its factorization.

11331131332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683194871.

The product of its digits is 972, while the sum is 26.

Adding to 11331131332121 its reverse (12123313113311), we get a palindrome (23454444445432).

The spelling of 11331131332121 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty-one".