11301722217 has 6 divisors (see below), whose sum is σ = 16324709882. Its totient is φ = 7534481472.

The previous prime is 11301722191. The next prime is 11301722219. The reversal of 11301722217 is 71222710311.

It can be written as a sum of positive squares in only one way, i.e., 11296288656 + 5433561 = 106284^2 + 2331^2 .

It is not a de Polignac number, because 11301722217 - 2¹¹ = 11301720169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11301722219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627873448 + ... + 627873465.

Almost surely, 2^11301722217 is an apocalyptic number.

It is an amenable number.

11301722217 is a deficient number, since it is larger than the sum of its proper divisors (5022987665).

11301722217 is a wasteful number, since it uses less digits than its factorization.

11301722217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255746919 (or 1255746916 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The spelling of 11301722217 in words is "eleven billion, three hundred one million, seven hundred twenty-two thousand, two hundred seventeen".