131012122223021 has 8 divisors (see below), whose sum is σ = 141092492148384. Its totient is φ = 120932111493360.

The previous prime is 131012122222931. The next prime is 131012122223039. The reversal of 131012122223021 is 120322221210131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131012122223021 - 2¹⁸ = 131012121960877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012122223621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89041151 + ... + 90500556.

It is an arithmetic number, because the mean of its divisors is an integer number (17636561518548).

Almost surely, 2^{131012122223021} is an apocalyptic number.

It is an amenable number.

131012122223021 is a deficient number, since it is larger than the sum of its proper divisors (10080369925363).

131012122223021 is a wasteful number, since it uses less digits than its factorization.

131012122223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179597851.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131012122223021 its reverse (120322221210131), we get a palindrome (251334343433152).

The spelling of 131012122223021 in words is "one hundred thirty-one trillion, twelve billion, one hundred twenty-two million, two hundred twenty-three thousand, twenty-one".