11201210001 has 6 divisors (see below), whose sum is σ = 16179525570. Its totient is φ = 7467473328.

The previous prime is 11201209993. The next prime is 11201210017. The reversal of 11201210001 is 10001210211.

It is a happy number.

11201210001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9089715600 + 2111494401 = 95340^2 + 45951^2 .

It is not a de Polignac number, because 11201210001 - 2³ = 11201209993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1244578889 = 11201210001 / (1 + 1 + 2 + 0 + 1 + 2 + 1 + 0 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (11201210081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622289436 + ... + 622289453.

It is an arithmetic number, because the mean of its divisors is an integer number (2696587595).

Almost surely, 2^11201210001 is an apocalyptic number.

It is an amenable number.

11201210001 is a deficient number, since it is larger than the sum of its proper divisors (4978315569).

11201210001 is a wasteful number, since it uses less digits than its factorization.

11201210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244578895 (or 1244578892 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11201210001 its reverse (10001210211), we get a palindrome (21202420212).

It can be divided in two parts, 1120 and 1210001, that added together give a palindrome (1211121).

The spelling of 11201210001 in words is "eleven billion, two hundred one million, two hundred ten thousand, one".