201000133321 has 8 divisors (see below), whose sum is σ = 216877162824. Its totient is φ = 185182458240.

The previous prime is 201000133273. The next prime is 201000133379. The reversal of 201000133321 is 123331000102.

It can be written as a sum of positive squares in 4 ways, for example, as 5115110400 + 195885022921 = 71520^2 + 442589^2 .

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

It is not a de Polignac number, because 201000133321 - 2¹⁷ = 201000002249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000133295 and 201000133304.

It is not an unprimeable number, because it can be changed into a prime (201000133121) 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, 14831566 + ... + 14845111.

It is an arithmetic number, because the mean of its divisors is an integer number (27109645353).

Almost surely, 2^201000133321 is an apocalyptic number.

It is an amenable number.

201000133321 is a deficient number, since it is larger than the sum of its proper divisors (15877029503).

201000133321 is a wasteful number, since it uses less digits than its factorization.

201000133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29677211.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201000133321 its reverse (123331000102), we get a palindrome (324331133423).

The spelling of 201000133321 in words is "two hundred one billion, one hundred thirty-three thousand, three hundred twenty-one".