201110254321 has 2 divisors, whose sum is σ = 201110254322. Its totient is φ = 201110254320.

The previous prime is 201110254297. The next prime is 201110254333. The reversal of 201110254321 is 123452011102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173109252096 + 28001002225 = 416064^2 + 167335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201110254321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201110254292 and 201110254301.

It is not a weakly prime, because it can be changed into another prime (201110254021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555127160 + 100555127161.

It is an arithmetic number, because the mean of its divisors is an integer number (100555127161).

Almost surely, 2^201110254321 is an apocalyptic number.

It is an amenable number.

201110254321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110254321 is an equidigital number, since it uses as much as digits as its factorization.

201110254321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 201110254321 its reverse (123452011102), we get a palindrome (324562265423).

The spelling of 201110254321 in words is "two hundred one billion, one hundred ten million, two hundred fifty-four thousand, three hundred twenty-one".