20132101321 has 4 divisors (see below), whose sum is σ = 20134058112. Its totient is φ = 20130144532.

The previous prime is 20132101303. The next prime is 20132101331. The reversal of 20132101321 is 12310123102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20132101321 - 2¹⁷ = 20131970249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132101295 and 20132101304.

It is not an unprimeable number, because it can be changed into a prime (20132101331) 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 3 ways as a sum of consecutive naturals, for example, 962881 + ... + 983566.

It is an arithmetic number, because the mean of its divisors is an integer number (5033514528).

Almost surely, 2^20132101321 is an apocalyptic number.

It is an amenable number.

20132101321 is a deficient number, since it is larger than the sum of its proper divisors (1956791).

20132101321 is a wasteful number, since it uses less digits than its factorization.

20132101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956790.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20132101321 its reverse (12310123102), we get a palindrome (32442224423).

The spelling of 20132101321 in words is "twenty billion, one hundred thirty-two million, one hundred one thousand, three hundred twenty-one".