32121103022321 has 4 divisors (see below), whose sum is σ = 33228727264500. Its totient is φ = 31013478780144.

The previous prime is 32121103022243. The next prime is 32121103022353. The reversal of 32121103022321 is 12322030112123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18496330141696 + 13624772880625 = 4300736^2 + 3691175^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121103022321 - 2³⁰ = 32120029280497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121103022521) 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, 553812121046 + ... + 553812121103.

It is an arithmetic number, because the mean of its divisors is an integer number (8307181816125).

Almost surely, 2^{32121103022321} is an apocalyptic number.

It is an amenable number.

32121103022321 is a deficient number, since it is larger than the sum of its proper divisors (1107624242179).

32121103022321 is a wasteful number, since it uses less digits than its factorization.

32121103022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107624242178.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 32121103022321 its reverse (12322030112123), we get a palindrome (44443133134444).

The spelling of 32121103022321 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred three million, twenty-two thousand, three hundred twenty-one".