2112311110 has 48 divisors (see below), whose sum is σ = 4763159856. Its totient is φ = 668509632.

The previous prime is 2112311041. The next prime is 2112311141. The reversal of 2112311110 is 111132112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159432 + ... + 172171.

It is an arithmetic number, because the mean of its divisors is an integer number (99232497).

Almost surely, 2^2112311110 is an apocalyptic number.

2112311110 is an abundant number, since it is smaller than the sum of its proper divisors (2650848746).

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

2112311110 is a wasteful number, since it uses less digits than its factorization.

2112311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331637 (or 331630 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2112311110 is about 45959.8858788836. The cubic root of 2112311110 is about 1283.0767273904.

Adding to 2112311110 its reverse (111132112), we get a palindrome (2223443222).

The spelling of 2112311110 in words is "two billion, one hundred twelve million, three hundred eleven thousand, one hundred ten".