11722007111 has 8 divisors (see below), whose sum is σ = 12236178144. Its totient is φ = 11218223520.

The previous prime is 11722007071. The next prime is 11722007119. The reversal of 11722007111 is 11170022711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11722007111 - 2¹⁸ = 11721744967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722007119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594555 + ... + 2599068.

It is an arithmetic number, because the mean of its divisors is an integer number (1529522268).

Almost surely, 2^11722007111 is an apocalyptic number.

11722007111 is a deficient number, since it is larger than the sum of its proper divisors (514171033).

11722007111 is an equidigital number, since it uses as much as digits as its factorization.

11722007111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193721.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 11722007111 its reverse (11170022711), we get a palindrome (22892029822).

The spelling of 11722007111 in words is "eleven billion, seven hundred twenty-two million, seven thousand, one hundred eleven".