231201122111122 has 32 divisors (see below), whose sum is σ = 366402890810880. Its totient is φ = 109243378460160.

The previous prime is 231201122111107. The next prime is 231201122111171. The reversal of 231201122111122 is 221111221102132.

It is a junction number, because it is equal to n+sod(n) for n = 231201122111093 and 231201122111102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506328 + ... + 21509500.

It is an arithmetic number, because the mean of its divisors is an integer number (11450090337840).

Almost surely, 2^{231201122111122} is an apocalyptic number.

231201122111122 is a deficient number, since it is larger than the sum of its proper divisors (135201768699758).

231201122111122 is a wasteful number, since it uses less digits than its factorization.

231201122111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007378.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 231201122111122 its reverse (221111221102132), we get a palindrome (452312343213254).

The spelling of 231201122111122 in words is "two hundred thirty-one trillion, two hundred one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".