11010202201601 has 2 divisors, whose sum is σ = 11010202201602. Its totient is φ = 11010202201600.

The previous prime is 11010202201591. The next prime is 11010202201693. The reversal of 11010202201601 is 10610220201011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7823348850625 + 3186853350976 = 2797025^2 + 1785176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010202201601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010202201601.

It is not a weakly prime, because it can be changed into another prime (11010202261601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505101100800 + 5505101100801.

It is an arithmetic number, because the mean of its divisors is an integer number (5505101100801).

Almost surely, 2^{11010202201601} is an apocalyptic number.

It is an amenable number.

11010202201601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010202201601 is an equidigital number, since it uses as much as digits as its factorization.

11010202201601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11010202201601 its reverse (10610220201011), we get a palindrome (21620422402612).

The spelling of 11010202201601 in words is "eleven trillion, ten billion, two hundred two million, two hundred one thousand, six hundred one".