32120103221321 has 4 divisors (see below), whose sum is σ = 32121498496644. Its totient is φ = 32118707946000.

The previous prime is 32120103221281. The next prime is 32120103221347. The reversal of 32120103221321 is 12312230102123.

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 5334302971321 + 26785800250000 = 2309611^2 + 5175500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32120103221321 is a prime.

It is a super-2 number, since 2×32120103221321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32120103221821) 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, 697603130 + ... + 697649171.

It is an arithmetic number, because the mean of its divisors is an integer number (8030374624161).

Almost surely, 2^{32120103221321} is an apocalyptic number.

It is an amenable number.

32120103221321 is a deficient number, since it is larger than the sum of its proper divisors (1395275323).

32120103221321 is a wasteful number, since it uses less digits than its factorization.

32120103221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395275322.

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

Adding to 32120103221321 its reverse (12312230102123), we get a palindrome (44432333323444).

The spelling of 32120103221321 in words is "thirty-two trillion, one hundred twenty billion, one hundred three million, two hundred twenty-one thousand, three hundred twenty-one".