230111010221 has 2 divisors, whose sum is σ = 230111010222. Its totient is φ = 230111010220.

The previous prime is 230111010197. The next prime is 230111010229. The reversal of 230111010221 is 122010111032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226396107721 + 3714902500 = 475811^2 + 60950^2 .

It is a cyclic number.

It is not a de Polignac number, because 230111010221 - 2¹⁰ = 230111009197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230111010196 and 230111010205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230111010229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115055505110 + 115055505111.

It is an arithmetic number, because the mean of its divisors is an integer number (115055505111).

Almost surely, 2^230111010221 is an apocalyptic number.

It is an amenable number.

230111010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230111010221 is an equidigital number, since it uses as much as digits as its factorization.

230111010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 230111010221 its reverse (122010111032), we get a palindrome (352121121253).

The spelling of 230111010221 in words is "two hundred thirty billion, one hundred eleven million, ten thousand, two hundred twenty-one".