11612422211 has 16 divisors (see below), whose sum is σ = 12778020864. Its totient is φ = 10485953184.

The previous prime is 11612422163. The next prime is 11612422231. The reversal of 11612422211 is 11222421611.

It is a cyclic number.

It is not a de Polignac number, because 11612422211 - 2¹⁸ = 11612160067 is a prime.

It is a super-2 number, since 2×11612422211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11612422231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843910 + ... + 1850196.

It is an arithmetic number, because the mean of its divisors is an integer number (798626304).

Almost surely, 2^11612422211 is an apocalyptic number.

11612422211 is a deficient number, since it is larger than the sum of its proper divisors (1165598653).

11612422211 is a wasteful number, since it uses less digits than its factorization.

11612422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370.

The product of its digits is 384, while the sum is 23.

Adding to 11612422211 its reverse (11222421611), we get a palindrome (22834843822).

The spelling of 11612422211 in words is "eleven billion, six hundred twelve million, four hundred twenty-two thousand, two hundred eleven".