231222231201 has 16 divisors (see below), whose sum is σ = 346446688896. Its totient is φ = 136104055296.

The previous prime is 231222231169. The next prime is 231222231259. The reversal of 231222231201 is 102132222132.

231222231201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231222231201 - 2⁵ = 231222231169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231222221201) 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 in 15 ways as a sum of consecutive naturals, for example, 128885520 + ... + 128887313.

It is an arithmetic number, because the mean of its divisors is an integer number (21652918056).

Almost surely, 2^231222231201 is an apocalyptic number.

It is an amenable number.

231222231201 is a deficient number, since it is larger than the sum of its proper divisors (115224457695).

231222231201 is a wasteful number, since it uses less digits than its factorization.

231222231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257772872.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231222231201 its reverse (102132222132), we get a palindrome (333354453333).

The spelling of 231222231201 in words is "two hundred thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred one".