201204241111 has 2 divisors, whose sum is σ = 201204241112. Its totient is φ = 201204241110.

The previous prime is 201204241087. The next prime is 201204241127. The reversal of 201204241111 is 111142402102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201204241111 - 2¹⁹ = 201203716823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201204241171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100602120555 + 100602120556.

It is an arithmetic number, because the mean of its divisors is an integer number (100602120556).

Almost surely, 2^201204241111 is an apocalyptic number.

201204241111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201204241111 is an equidigital number, since it uses as much as digits as its factorization.

201204241111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201204241111 its reverse (111142402102), we get a palindrome (312346643213).

The spelling of 201204241111 in words is "two hundred one billion, two hundred four million, two hundred forty-one thousand, one hundred eleven".