201000132221 has 4 divisors (see below), whose sum is σ = 229714436832. Its totient is φ = 172285827612.

The previous prime is 201000132199. The next prime is 201000132241. The reversal of 201000132221 is 122231000102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201000132221 - 2³⁰ = 199926390397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000132196 and 201000132205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000132241) 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, 14357152295 + ... + 14357152308.

It is an arithmetic number, because the mean of its divisors is an integer number (57428609208).

Almost surely, 2^201000132221 is an apocalyptic number.

It is an amenable number.

201000132221 is a deficient number, since it is larger than the sum of its proper divisors (28714304611).

201000132221 is an equidigital number, since it uses as much as digits as its factorization.

201000132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28714304610.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201000132221 its reverse (122231000102), we get a palindrome (323231132323).

The spelling of 201000132221 in words is "two hundred one billion, one hundred thirty-two thousand, two hundred twenty-one".