204245225111 has 2 divisors, whose sum is σ = 204245225112. Its totient is φ = 204245225110.

The previous prime is 204245225047. The next prime is 204245225131. The reversal of 204245225111 is 111522542402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204245225111 - 2⁶ = 204245225047 is a prime.

It is a super-3 number, since 3×204245225111³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204245225131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102122612555 + 102122612556.

It is an arithmetic number, because the mean of its divisors is an integer number (102122612556).

Almost surely, 2^204245225111 is an apocalyptic number.

204245225111 is a deficient number, since it is larger than the sum of its proper divisors (1).

204245225111 is an equidigital number, since it uses as much as digits as its factorization.

204245225111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 204245225111 its reverse (111522542402), we get a palindrome (315767767513).

The spelling of 204245225111 in words is "two hundred four billion, two hundred forty-five million, two hundred twenty-five thousand, one hundred eleven".