11220105111 has 64 divisors (see below), whose sum is σ = 17020523520. Its totient is φ = 6535710720.

The previous prime is 11220105109. The next prime is 11220105119. The reversal of 11220105111 is 11150102211.

It is not a de Polignac number, because 11220105111 - 2¹ = 11220105109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220105119) 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 63 ways as a sum of consecutive naturals, for example, 9128845 + ... + 9130073.

It is an arithmetic number, because the mean of its divisors is an integer number (265945680).

Almost surely, 2^11220105111 is an apocalyptic number.

11220105111 is a deficient number, since it is larger than the sum of its proper divisors (5800418409).

11220105111 is a wasteful number, since it uses less digits than its factorization.

11220105111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11220105111 its reverse (11150102211), we get a palindrome (22370207322).

The spelling of 11220105111 in words is "eleven billion, two hundred twenty million, one hundred five thousand, one hundred eleven".