11331323323021 has 8 divisors (see below), whose sum is σ = 12486753429920. Its totient is φ = 10216434623472.

The previous prime is 11331323323009. The next prime is 11331323323069. The reversal of 11331323323021 is 12032332313311.

It is a happy number.

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 11331323323021 - 2⁹ = 11331323322509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331323323081) 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, 10135351251 + ... + 10135352368.

It is an arithmetic number, because the mean of its divisors is an integer number (1560844178740).

Almost surely, 2^{11331323323021} is an apocalyptic number.

It is an amenable number.

11331323323021 is a deficient number, since it is larger than the sum of its proper divisors (1155430106899).

11331323323021 is a wasteful number, since it uses less digits than its factorization.

11331323323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270703675.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 11331323323021 its reverse (12032332313311), we get a palindrome (23363655636332).

The spelling of 11331323323021 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-three million, three hundred twenty-three thousand, twenty-one".