201401433221 has 8 divisors (see below), whose sum is σ = 201861947520. Its totient is φ = 200941421472.

The previous prime is 201401433217. The next prime is 201401433229. The reversal of 201401433221 is 122334104102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201401433221 - 2² = 201401433217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201401433229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682721 + ... + 932153.

It is an arithmetic number, because the mean of its divisors is an integer number (25232743440).

Almost surely, 2^201401433221 is an apocalyptic number.

It is an amenable number.

201401433221 is a deficient number, since it is larger than the sum of its proper divisors (460514299).

201401433221 is a wasteful number, since it uses less digits than its factorization.

201401433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251275.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201401433221 its reverse (122334104102), we get a palindrome (323735537323).

The spelling of 201401433221 in words is "two hundred one billion, four hundred one million, four hundred thirty-three thousand, two hundred twenty-one".