210133324442 has 4 divisors (see below), whose sum is σ = 315199986666. Its totient is φ = 105066662220.

The previous prime is 210133324441. The next prime is 210133324507. The reversal of 210133324442 is 244423331012.

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

It can be written as a sum of positive squares in only one way, i.e., 176819409001 + 33313915441 = 420499^2 + 182521^2 .

It is a super-2 number, since 2×210133324442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210133324441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52533331109 + ... + 52533331112.

Almost surely, 2^210133324442 is an apocalyptic number.

210133324442 is a deficient number, since it is larger than the sum of its proper divisors (105066662224).

210133324442 is a wasteful number, since it uses less digits than its factorization.

210133324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105066662223.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 210133324442 its reverse (244423331012), we get a palindrome (454556655454).

The spelling of 210133324442 in words is "two hundred ten billion, one hundred thirty-three million, three hundred twenty-four thousand, four hundred forty-two".