212231112110 has 32 divisors (see below), whose sum is σ = 383049914112. Its totient is φ = 84663002880.

The previous prime is 212231112091. The next prime is 212231112187. The reversal of 212231112110 is 11211132212.

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 15 ways as a sum of consecutive naturals, for example, 5559107 + ... + 5597153.

It is an arithmetic number, because the mean of its divisors is an integer number (11970309816).

Almost surely, 2^212231112110 is an apocalyptic number.

212231112110 is a deficient number, since it is larger than the sum of its proper divisors (170818802002).

212231112110 is a wasteful number, since it uses less digits than its factorization.

212231112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39548.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212231112110 its reverse (11211132212), we get a palindrome (223442244322).

The spelling of 212231112110 in words is "two hundred twelve billion, two hundred thirty-one million, one hundred twelve thousand, one hundred ten".