201112432442321 has 32 divisors (see below), whose sum is σ = 211040696595456. Its totient is φ = 191489101056000.

The previous prime is 201112432442303. The next prime is 201112432442323. The reversal of 201112432442321 is 123244234211102.

It is a cyclic number.

It is not a de Polignac number, because 201112432442321 - 2²⁶ = 201112365333457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112432442323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126734216 + ... + 128311286.

It is an arithmetic number, because the mean of its divisors is an integer number (6595021768608).

Almost surely, 2^{201112432442321} is an apocalyptic number.

It is an amenable number.

201112432442321 is a deficient number, since it is larger than the sum of its proper divisors (9928264153135).

201112432442321 is a wasteful number, since it uses less digits than its factorization.

201112432442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577633.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 201112432442321 its reverse (123244234211102), we get a palindrome (324356666653423).

The spelling of 201112432442321 in words is "two hundred one trillion, one hundred twelve billion, four hundred thirty-two million, four hundred forty-two thousand, three hundred twenty-one".