201110403061 has 2 divisors, whose sum is σ = 201110403062. Its totient is φ = 201110403060.

The previous prime is 201110403047. The next prime is 201110403089. The reversal of 201110403061 is 160304011102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170775562500 + 30334840561 = 413250^2 + 174169^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110403061 - 2²⁵ = 201076848629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201110403001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555201530 + 100555201531.

It is an arithmetic number, because the mean of its divisors is an integer number (100555201531).

Almost surely, 2^201110403061 is an apocalyptic number.

It is an amenable number.

201110403061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110403061 is an equidigital number, since it uses as much as digits as its factorization.

201110403061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201110403061 its reverse (160304011102), we get a palindrome (361414414163).

The spelling of 201110403061 in words is "two hundred one billion, one hundred ten million, four hundred three thousand, sixty-one".