131123221554122 has 64 divisors (see below), whose sum is σ = 235818489715200. Its totient is φ = 53491517372160.

The previous prime is 131123221554107. The next prime is 131123221554163. The reversal of 131123221554122 is 221455122321131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843630488 + ... + 843785900.

It is an arithmetic number, because the mean of its divisors is an integer number (3684663901800).

Almost surely, 2^{131123221554122} is an apocalyptic number.

131123221554122 is a deficient number, since it is larger than the sum of its proper divisors (104695268161078).

131123221554122 is a wasteful number, since it uses less digits than its factorization.

131123221554122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184791.

The product of its digits is 28800, while the sum is 35.

Adding to 131123221554122 its reverse (221455122321131), we get a palindrome (352578343875253).

The spelling of 131123221554122 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred twenty-one million, five hundred fifty-four thousand, one hundred twenty-two".