201233103091 has 2 divisors, whose sum is σ = 201233103092. Its totient is φ = 201233103090.

The previous prime is 201233103083. The next prime is 201233103161. The reversal of 201233103091 is 190301332102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201233103091 - 2³ = 201233103083 is a prime.

It is not a weakly prime, because it can be changed into another prime (201233103391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616551545 + 100616551546.

It is an arithmetic number, because the mean of its divisors is an integer number (100616551546).

Almost surely, 2^201233103091 is an apocalyptic number.

201233103091 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233103091 is an equidigital number, since it uses as much as digits as its factorization.

201233103091 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 25.

Adding to 201233103091 its reverse (190301332102), we get a palindrome (391534435193).

The spelling of 201233103091 in words is "two hundred one billion, two hundred thirty-three million, one hundred three thousand, ninety-one".