21332113210091 has 8 divisors (see below), whose sum is σ = 21694192254000. Its totient is φ = 20970051426400.

The previous prime is 21332113210019. The next prime is 21332113210099. The reversal of 21332113210091 is 19001231123312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21332113210091 is a prime.

It is a super-3 number, since 3×21332113210091³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332113210099) 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, 1810016 + ... + 6777933.

It is an arithmetic number, because the mean of its divisors is an integer number (2711774031750).

Almost surely, 2^{21332113210091} is an apocalyptic number.

21332113210091 is a deficient number, since it is larger than the sum of its proper divisors (362079043909).

21332113210091 is an equidigital number, since it uses as much as digits as its factorization.

21332113210091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8630109.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 21332113210091 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirteen million, two hundred ten thousand, ninety-one".