210122031233 has 4 divisors (see below), whose sum is σ = 210257682900. Its totient is φ = 209986379568.

The previous prime is 210122031199. The next prime is 210122031239. The reversal of 210122031233 is 332130221012.

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 36393955984 + 173728075249 = 190772^2 + 416807^2 .

It is a cyclic number.

It is not a de Polignac number, because 210122031233 - 2⁶ = 210122031169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122031239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67823510 + ... + 67826607.

It is an arithmetic number, because the mean of its divisors is an integer number (52564420725).

Almost surely, 2^210122031233 is an apocalyptic number.

It is an amenable number.

210122031233 is a deficient number, since it is larger than the sum of its proper divisors (135651667).

210122031233 is a wasteful number, since it uses less digits than its factorization.

210122031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135651666.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210122031233 its reverse (332130221012), we get a palindrome (542252252245).

The spelling of 210122031233 in words is "two hundred ten billion, one hundred twenty-two million, thirty-one thousand, two hundred thirty-three".