201000032212321 has 4 divisors (see below), whose sum is σ = 201112385502100. Its totient is φ = 200887678922544.

The previous prime is 201000032212279. The next prime is 201000032212339. The reversal of 201000032212321 is 123212230000102.

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 192962353605921 + 8037678606400 = 13891089^2 + 2835080^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000032212321 - 2¹⁹ = 201000031688033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000032212361) 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, 56176642206 + ... + 56176645783.

It is an arithmetic number, because the mean of its divisors is an integer number (50278096375525).

Almost surely, 2^{201000032212321} is an apocalyptic number.

It is an amenable number.

201000032212321 is a deficient number, since it is larger than the sum of its proper divisors (112353289779).

201000032212321 is a wasteful number, since it uses less digits than its factorization.

201000032212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112353289778.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201000032212321 its reverse (123212230000102), we get a palindrome (324212262212423).

The spelling of 201000032212321 in words is "two hundred one trillion, thirty-two million, two hundred twelve thousand, three hundred twenty-one".