201042433261 has 2 divisors, whose sum is σ = 201042433262. Its totient is φ = 201042433260.

The previous prime is 201042433183. The next prime is 201042433283. The reversal of 201042433261 is 162334240102.

It is a happy number.

201042433261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148598685225 + 52443748036 = 385485^2 + 229006^2 .

It is a cyclic number.

It is not a de Polignac number, because 201042433261 - 2²⁹ = 200505562349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201042433961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521216630 + 100521216631.

It is an arithmetic number, because the mean of its divisors is an integer number (100521216631).

Almost surely, 2^201042433261 is an apocalyptic number.

It is an amenable number.

201042433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042433261 is an equidigital number, since it uses as much as digits as its factorization.

201042433261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 201042433261 its reverse (162334240102), we get a palindrome (363376673363).

The spelling of 201042433261 in words is "two hundred one billion, forty-two million, four hundred thirty-three thousand, two hundred sixty-one".