111102211210 has 8 divisors (see below), whose sum is σ = 199983980196. Its totient is φ = 44440884480.

The previous prime is 111102211153. The next prime is 111102211211. The reversal of 111102211210 is 12112201111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110225992009 + 876219201 = 332003^2 + 29601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111102211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555110551 + ... + 5555110570.

Almost surely, 2^111102211210 is an apocalyptic number.

111102211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111102211210 is a deficient number, since it is larger than the sum of its proper divisors (88881768986).

111102211210 is a wasteful number, since it uses less digits than its factorization.

111102211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110221128.

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

Adding to 111102211210 its reverse (12112201111), we get a palindrome (123214412321).

The spelling of 111102211210 in words is "one hundred eleven billion, one hundred two million, two hundred eleven thousand, two hundred ten".