3201123201091 has 2 divisors, whose sum is σ = 3201123201092. Its totient is φ = 3201123201090.

The previous prime is 3201123201077. The next prime is 3201123201109. The reversal of 3201123201091 is 1901023211023.

3201123201091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (3201123201109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3201123201091 - 2⁷ = 3201123200963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201123271091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600561600545 + 1600561600546.

It is an arithmetic number, because the mean of its divisors is an integer number (1600561600546).

Almost surely, 2^{3201123201091} is an apocalyptic number.

3201123201091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201123201091 is an equidigital number, since it uses as much as digits as its factorization.

3201123201091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 3201123201091 in words is "three trillion, two hundred one billion, one hundred twenty-three million, two hundred one thousand, ninety-one".