32320111421 has 4 divisors (see below), whose sum is σ = 34806273852. Its totient is φ = 29833948992.

The previous prime is 32320111399. The next prime is 32320111463. The reversal of 32320111421 is 12411102323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12411102323 = 293 ⋅42358711.

It can be written as a sum of positive squares in 2 ways, for example, as 15038116900 + 17281994521 = 122630^2 + 131461^2 .

It is a cyclic number.

It is not a de Polignac number, because 32320111421 - 2¹⁰ = 32320110397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32320111393 and 32320111402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320141421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243081196 + ... + 1243081221.

It is an arithmetic number, because the mean of its divisors is an integer number (8701568463).

Almost surely, 2^32320111421 is an apocalyptic number.

It is an amenable number.

32320111421 is a deficient number, since it is larger than the sum of its proper divisors (2486162431).

32320111421 is a wasteful number, since it uses less digits than its factorization.

32320111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486162430.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 32320111421 its reverse (12411102323), we get a palindrome (44731213744).

The spelling of 32320111421 in words is "thirty-two billion, three hundred twenty million, one hundred eleven thousand, four hundred twenty-one".