201033133021 has 16 divisors (see below), whose sum is σ = 243302472576. Its totient is φ = 162154331136.

The previous prime is 201033133001. The next prime is 201033133097. The reversal of 201033133021 is 120331330102.

It is not a de Polignac number, because 201033133021 - 2²¹ = 201031035869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201033133021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201033133001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720090 + ... + 959476.

It is an arithmetic number, because the mean of its divisors is an integer number (15206404536).

Almost surely, 2^201033133021 is an apocalyptic number.

It is an amenable number.

201033133021 is a deficient number, since it is larger than the sum of its proper divisors (42269339555).

201033133021 is a wasteful number, since it uses less digits than its factorization.

201033133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246468.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201033133021 its reverse (120331330102), we get a palindrome (321364463123).

The spelling of 201033133021 in words is "two hundred one billion, thirty-three million, one hundred thirty-three thousand, twenty-one".