131211132301122 has 16 divisors (see below), whose sum is σ = 277858868402592. Its totient is φ = 41164276800320.

The previous prime is 131211132301121. The next prime is 131211132301127. The reversal of 131211132301122 is 221103231112131.

It is a super-2 number, since 2×131211132301122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131211132301092 and 131211132301101.

It is not an unprimeable number, because it can be changed into a prime (131211132301121) by changing a digit.

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, 643191824904 + ... + 643191825107.

It is an arithmetic number, because the mean of its divisors is an integer number (17366179275162).

Almost surely, 2^{131211132301122} is an apocalyptic number.

131211132301122 is an abundant number, since it is smaller than the sum of its proper divisors (146647736101470).

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

131211132301122 is a wasteful number, since it uses less digits than its factorization.

131211132301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286383650033.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 131211132301122 its reverse (221103231112131), we get a palindrome (352314363413253).

The spelling of 131211132301122 in words is "one hundred thirty-one trillion, two hundred eleven billion, one hundred thirty-two million, three hundred one thousand, one hundred twenty-two".