201110312321112 has 32 divisors (see below), whose sum is σ = 503975723025600. Its totient is φ = 66876778477344.

The previous prime is 201110312321089. The next prime is 201110312321123. The reversal of 201110312321112 is 211123213011102.

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, 9999508258 + ... + 9999528369.

It is an arithmetic number, because the mean of its divisors is an integer number (15749241344550).

Almost surely, 2^{201110312321112} is an apocalyptic number.

It is an amenable number.

201110312321112 is an abundant number, since it is smaller than the sum of its proper divisors (302865410704488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201110312321112 is a wasteful number, since it uses less digits than its factorization.

201110312321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19999037055 (or 19999037051 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 201110312321112 its reverse (211123213011102), we get a palindrome (412233525332214).

The spelling of 201110312321112 in words is "two hundred one trillion, one hundred ten billion, three hundred twelve million, three hundred twenty-one thousand, one hundred twelve".