131201142111222 has 16 divisors (see below), whose sum is σ = 265000326641712. Its totient is φ = 43300706967200.

The previous prime is 131201142111181. The next prime is 131201142111241. The reversal of 131201142111222 is 222111241102131.

It is a junction number, because it is equal to n+sod(n) for n = 131201142111192 and 131201142111201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108251766813 + ... + 108251768024.

It is an arithmetic number, because the mean of its divisors is an integer number (16562520415107).

Almost surely, 2^{131201142111222} is an apocalyptic number.

131201142111222 is an abundant number, since it is smaller than the sum of its proper divisors (133799184530490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131201142111222 is a wasteful number, since it uses less digits than its factorization.

131201142111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216503534943.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 131201142111222 its reverse (222111241102131), we get a palindrome (353312383213353).

The spelling of 131201142111222 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-two million, one hundred eleven thousand, two hundred twenty-two".