201133233021233 has 4 divisors (see below), whose sum is σ = 201134100352548. Its totient is φ = 201132365689920.

The previous prime is 201133233021197. The next prime is 201133233021239. The reversal of 201133233021233 is 332120332331102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137619458001424 + 63513775019809 = 11731132^2 + 7969553^2 .

It is a cyclic number.

It is not a de Polignac number, because 201133233021233 - 2¹² = 201133233017137 is a prime.

It is a super-2 number, since 2×201133233021233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201133233021196 and 201133233021205.

It is not an unprimeable number, because it can be changed into a prime (201133233021239) 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, 433317716 + ... + 433781637.

It is an arithmetic number, because the mean of its divisors is an integer number (50283525088137).

Almost surely, 2^{201133233021233} is an apocalyptic number.

It is an amenable number.

201133233021233 is a deficient number, since it is larger than the sum of its proper divisors (867331315).

201133233021233 is an equidigital number, since it uses as much as digits as its factorization.

201133233021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867331314.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 201133233021233 its reverse (332120332331102), we get a palindrome (533253565352335).

The spelling of 201133233021233 in words is "two hundred one trillion, one hundred thirty-three billion, two hundred thirty-three million, twenty-one thousand, two hundred thirty-three".