201021031022133 has 16 divisors (see below), whose sum is σ = 306330835490816. Its totient is φ = 114864257859120.

The previous prime is 201021031022117. The next prime is 201021031022179. The reversal of 201021031022133 is 331220130120102.

It is not a de Polignac number, because 201021031022133 - 2⁴ = 201021031022117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021031022533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203776441 + ... + 204760542.

It is an arithmetic number, because the mean of its divisors is an integer number (19145677218176).

Almost surely, 2^{201021031022133} is an apocalyptic number.

It is an amenable number.

201021031022133 is a deficient number, since it is larger than the sum of its proper divisors (105309804468683).

201021031022133 is a wasteful number, since it uses less digits than its factorization.

201021031022133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408560424.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201021031022133 its reverse (331220130120102), we get a palindrome (532241161142235).

The spelling of 201021031022133 in words is "two hundred one trillion, twenty-one billion, thirty-one million, twenty-two thousand, one hundred thirty-three".