112131102331021 has 8 divisors (see below), whose sum is σ = 114264303684984. Its totient is φ = 109998549872640.

The previous prime is 112131102331013. The next prime is 112131102331081. The reversal of 112131102331021 is 120133201131211.

It can be written as a sum of positive squares in 4 ways, for example, as 52844336286921 + 59286766044100 = 7269411^2 + 7699790^2 .

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 112131102331021 - 2³ = 112131102331013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112131102330983 and 112131102331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131102331081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161874996 + ... + 162566221.

It is an arithmetic number, because the mean of its divisors is an integer number (14283037960623).

Almost surely, 2^{112131102331021} is an apocalyptic number.

It is an amenable number.

112131102331021 is a deficient number, since it is larger than the sum of its proper divisors (2133201353963).

112131102331021 is an equidigital number, since it uses as much as digits as its factorization.

112131102331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324447791.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 112131102331021 its reverse (120133201131211), we get a palindrome (232264303462232).

The spelling of 112131102331021 in words is "one hundred twelve trillion, one hundred thirty-one billion, one hundred two million, three hundred thirty-one thousand, twenty-one".