11331011000021 has 8 divisors (see below), whose sum is σ = 11346779009664. Its totient is φ = 11315253835600.

The previous prime is 11331011000011. The next prime is 11331011000107. The reversal of 11331011000021 is 12000011013311.

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 11331011000021 - 2³⁴ = 11313831130837 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 (11331011000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619145 + ... + 4800558.

It is an arithmetic number, because the mean of its divisors is an integer number (1418347376208).

Almost surely, 2^{11331011000021} is an apocalyptic number.

It is an amenable number.

11331011000021 is a deficient number, since it is larger than the sum of its proper divisors (15768009643).

11331011000021 is a wasteful number, since it uses less digits than its factorization.

11331011000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422611.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11331011000021 its reverse (12000011013311), we get a palindrome (23331022013332).

The spelling of 11331011000021 in words is "eleven trillion, three hundred thirty-one billion, eleven million, twenty-one", and thus it is an aban number.