201041099977 has 2 divisors, whose sum is σ = 201041099978. Its totient is φ = 201041099976.

The previous prime is 201041099971. The next prime is 201041100031. The reversal of 201041099977 is 779990140102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116513678281 + 84527421696 = 341341^2 + 290736^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041099977 - 2³¹ = 198893616329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201041099977.

It is not a weakly prime, because it can be changed into another prime (201041099971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520549988 + 100520549989.

It is an arithmetic number, because the mean of its divisors is an integer number (100520549989).

Almost surely, 2^201041099977 is an apocalyptic number.

It is an amenable number.

201041099977 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041099977 is an equidigital number, since it uses as much as digits as its factorization.

201041099977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 201041099977 in words is "two hundred one billion, forty-one million, ninety-nine thousand, nine hundred seventy-seven".