11220786111 has 16 divisors (see below), whose sum is σ = 15694940160. Its totient is φ = 7120844640.

The previous prime is 11220786067. The next prime is 11220786121. The reversal of 11220786111 is 11168702211.

It is not a de Polignac number, because 11220786111 - 2⁶ = 11220786047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220786121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902095 + ... + 914448.

It is an arithmetic number, because the mean of its divisors is an integer number (980933760).

Almost surely, 2^11220786111 is an apocalyptic number.

11220786111 is a deficient number, since it is larger than the sum of its proper divisors (4474154049).

11220786111 is a wasteful number, since it uses less digits than its factorization.

11220786111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816646.

The product of its (nonzero) digits is 1344, while the sum is 30.

The spelling of 11220786111 in words is "eleven billion, two hundred twenty million, seven hundred eighty-six thousand, one hundred eleven".