3213331111091 has 4 divisors (see below), whose sum is σ = 3402350588232. Its totient is φ = 3024311633952.

The previous prime is 3213331111069. The next prime is 3213331111141. The reversal of 3213331111091 is 1901111333123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213331111091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213331111051) 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 3 ways as a sum of consecutive naturals, for example, 94509738545 + ... + 94509738578.

It is an arithmetic number, because the mean of its divisors is an integer number (850587647058).

Almost surely, 2^{3213331111091} is an apocalyptic number.

3213331111091 is a deficient number, since it is larger than the sum of its proper divisors (189019477141).

3213331111091 is a wasteful number, since it uses less digits than its factorization.

3213331111091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189019477140.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 3213331111091 in words is "three trillion, two hundred thirteen billion, three hundred thirty-one million, one hundred eleven thousand, ninety-one".