201001221333 has 32 divisors (see below), whose sum is σ = 332773660800. Its totient is φ = 118847721600.

The previous prime is 201001221319. The next prime is 201001221341. The reversal of 201001221333 is 333122100102.

It is not a de Polignac number, because 201001221333 - 2¹⁰ = 201001220309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001221353) 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, 8241138 + ... + 8265491.

It is an arithmetic number, because the mean of its divisors is an integer number (10399176900).

Almost surely, 2^201001221333 is an apocalyptic number.

It is an amenable number.

201001221333 is a deficient number, since it is larger than the sum of its proper divisors (131772439467).

201001221333 is a wasteful number, since it uses less digits than its factorization.

201001221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506690 (or 16506684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201001221333 its reverse (333122100102), we get a palindrome (534123321435).

The spelling of 201001221333 in words is "two hundred one billion, one million, two hundred twenty-one thousand, three hundred thirty-three".