11112211266 has 16 divisors (see below), whose sum is σ = 23933993664. Its totient is φ = 3419141904.

The previous prime is 11112211259. The next prime is 11112211267. The reversal of 11112211266 is 66211221111.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11112211267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71232046 + ... + 71232201.

It is an arithmetic number, because the mean of its divisors is an integer number (1495874604).

Almost surely, 2^11112211266 is an apocalyptic number.

11112211266 is an abundant number, since it is smaller than the sum of its proper divisors (12821782398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112211266 is a wasteful number, since it uses less digits than its factorization.

11112211266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142464265.

The product of its digits is 288, while the sum is 24.

Adding to 11112211266 its reverse (66211221111), we get a palindrome (77323432377).

The spelling of 11112211266 in words is "eleven billion, one hundred twelve million, two hundred eleven thousand, two hundred sixty-six".