233331221011253 has 2 divisors, whose sum is σ = 233331221011254. Its totient is φ = 233331221011252.

The previous prime is 233331221011177. The next prime is 233331221011309. The reversal of 233331221011253 is 352110122133332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183138218582449 + 50193002428804 = 13532857^2 + 7084702^2 .

It is a cyclic number.

It is not a de Polignac number, because 233331221011253 - 2¹⁶ = 233331220945717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233331221091253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116665610505626 + 116665610505627.

It is an arithmetic number, because the mean of its divisors is an integer number (116665610505627).

Almost surely, 2^{233331221011253} is an apocalyptic number.

It is an amenable number.

233331221011253 is a deficient number, since it is larger than the sum of its proper divisors (1).

233331221011253 is an equidigital number, since it uses as much as digits as its factorization.

233331221011253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 233331221011253 its reverse (352110122133332), we get a palindrome (585441343144585).

The spelling of 233331221011253 in words is "two hundred thirty-three trillion, three hundred thirty-one billion, two hundred twenty-one million, eleven thousand, two hundred fifty-three".