2112131110 has 16 divisors (see below), whose sum is σ = 3803837616. Its totient is φ = 844407648.

The previous prime is 2112131093. The next prime is 2112131111. The reversal of 2112131110 is 111312112.

It is a happy number.

It is a super-2 number, since 2×2112131110² = 8922195651659664200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112131111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35304 + ... + 73963.

It is an arithmetic number, because the mean of its divisors is an integer number (237739851).

Almost surely, 2^2112131110 is an apocalyptic number.

2112131110 is a deficient number, since it is larger than the sum of its proper divisors (1691706506).

2112131110 is a wasteful number, since it uses less digits than its factorization.

2112131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111207.

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

The square root of 2112131110 is about 45957.9276077588. The cubic root of 2112131110 is about 1283.0402806804.

Adding to 2112131110 its reverse (111312112), we get a palindrome (2223443222).

The spelling of 2112131110 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, one hundred ten".