11201001097 has 18 divisors (see below), whose sum is σ = 13331784606. Its totient is φ = 9399424320.

The previous prime is 11201001067. The next prime is 11201001137. The reversal of 11201001097 is 79010010211.

11201001097 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 3 ways, for example, as 1205200656 + 9995800441 = 34716^2 + 99979^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11201001097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201001067) 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 17 ways as a sum of consecutive naturals, for example, 253428 + ... + 294325.

Almost surely, 2^11201001097 is an apocalyptic number.

It is an amenable number.

11201001097 is a deficient number, since it is larger than the sum of its proper divisors (2130783509).

11201001097 is a wasteful number, since it uses less digits than its factorization.

11201001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547801 (or 547777 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 22.

The spelling of 11201001097 in words is "eleven billion, two hundred one million, one thousand, ninety-seven".