3213312111091 has 2 divisors, whose sum is σ = 3213312111092. Its totient is φ = 3213312111090.

The previous prime is 3213312111089. The next prime is 3213312111131. The reversal of 3213312111091 is 1901112133123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213312111091 - 2¹ = 3213312111089 is a prime.

Together with 3213312111089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3213312118091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606656055545 + 1606656055546.

It is an arithmetic number, because the mean of its divisors is an integer number (1606656055546).

Almost surely, 2^{3213312111091} is an apocalyptic number.

3213312111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213312111091 is an equidigital number, since it uses as much as digits as its factorization.

3213312111091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 3213312111091 in words is "three trillion, two hundred thirteen billion, three hundred twelve million, one hundred eleven thousand, ninety-one".