11112212110 has 16 divisors (see below), whose sum is σ = 20005828416. Its totient is φ = 4444030048.

The previous prime is 11112212101. The next prime is 11112212123. The reversal of 11112212110 is 1121221111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50854 + ... + 157513.

It is an arithmetic number, because the mean of its divisors is an integer number (1250364276).

Almost surely, 2^11112212110 is an apocalyptic number.

11112212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112212110 is a deficient number, since it is larger than the sum of its proper divisors (8893616306).

11112212110 is a wasteful number, since it uses less digits than its factorization.

11112212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213707.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112212110 its reverse (1121221111), we get a palindrome (12233433221).

Subtracting from 11112212110 its reverse (1121221111), we obtain a palindrome (9990990999).

The spelling of 11112212110 in words is "eleven billion, one hundred twelve million, two hundred twelve thousand, one hundred ten".