11112211121110 has 64 divisors (see below), whose sum is σ = 22257308044800. Its totient is φ = 3960490533120.

The previous prime is 11112211121069. The next prime is 11112211121111. The reversal of 11112211121110 is 1112111221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112211121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2321719 + ... + 5254978.

It is an arithmetic number, because the mean of its divisors is an integer number (347770438200).

Almost surely, 2^{11112211121110} is an apocalyptic number.

11112211121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112211121110 is an abundant number, since it is smaller than the sum of its proper divisors (11145096923690).

11112211121110 is a wasteful number, since it uses less digits than its factorization.

11112211121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576981.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11112211121110 its reverse (1112111221111), we get a palindrome (12224322342221).

The spelling of 11112211121110 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, one hundred ten".