11112220221110 has 32 divisors (see below), whose sum is σ = 20654486203392. Its totient is φ = 4299991244640.

The previous prime is 11112220221097. The next prime is 11112220221127. The reversal of 11112220221110 is 1112202221111.

It is a congruent number.

It is an unprimeable number.

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, 5422904 + ... + 7185563.

It is an arithmetic number, because the mean of its divisors is an integer number (645452693856).

Almost surely, 2^{11112220221110} is an apocalyptic number.

11112220221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112220221110 is a deficient number, since it is larger than the sum of its proper divisors (9542265982282).

11112220221110 is a wasteful number, since it uses less digits than its factorization.

11112220221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611348.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112220221110 its reverse (1112202221111), we get a palindrome (12224422442221).

The spelling of 11112220221110 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, one hundred ten".