2131101232321 has 8 divisors (see below), whose sum is σ = 2147255802720. Its totient is φ = 2114999369472.

The previous prime is 2131101232297. The next prime is 2131101232361. The reversal of 2131101232321 is 1232321011312.

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 2131101232321 - 2¹¹ = 2131101230273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131101232292 and 2131101232301.

It is not an unprimeable number, because it can be changed into a prime (2131101232361) 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, 13095715 + ... + 13257448.

It is an arithmetic number, because the mean of its divisors is an integer number (268406975340).

Almost surely, 2^{2131101232321} is an apocalyptic number.

It is an amenable number.

2131101232321 is a deficient number, since it is larger than the sum of its proper divisors (16154570399).

2131101232321 is a wasteful number, since it uses less digits than its factorization.

2131101232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26353775.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131101232321 its reverse (1232321011312), we get a palindrome (3363422243633).

The spelling of 2131101232321 in words is "two trillion, one hundred thirty-one billion, one hundred one million, two hundred thirty-two thousand, three hundred twenty-one".