231102112201 has 2 divisors, whose sum is σ = 231102112202. Its totient is φ = 231102112200.

The previous prime is 231102112187. The next prime is 231102112223. The reversal of 231102112201 is 102211201132.

231102112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219642195600 + 11459916601 = 468660^2 + 107051^2 .

It is a cyclic number.

It is not a de Polignac number, because 231102112201 - 2⁹ = 231102111689 is a prime.

It is not a weakly prime, because it can be changed into another prime (231102112601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551056100 + 115551056101.

It is an arithmetic number, because the mean of its divisors is an integer number (115551056101).

Almost surely, 2^231102112201 is an apocalyptic number.

It is an amenable number.

231102112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231102112201 is an equidigital number, since it uses as much as digits as its factorization.

231102112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 231102112201 its reverse (102211201132), we get a palindrome (333313313333).

The spelling of 231102112201 in words is "two hundred thirty-one billion, one hundred two million, one hundred twelve thousand, two hundred one".