2113221110 has 128 divisors (see below), whose sum is σ = 5157540864. Its totient is φ = 602012160.

The previous prime is 2113221107. The next prime is 2113221119. The reversal of 2113221110 is 111223112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113221119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1070084 + ... + 1072056.

It is an arithmetic number, because the mean of its divisors is an integer number (40293288).

Almost surely, 2^2113221110 is an apocalyptic number.

2113221110 is an abundant number, since it is smaller than the sum of its proper divisors (3044319754).

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

2113221110 is a wasteful number, since it uses less digits than its factorization.

2113221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2113221110 is about 45969.7847504206. The cubic root of 2113221110 is about 1283.2609540709.

Adding to 2113221110 its reverse (111223112), we get a palindrome (2224444222).

The spelling of 2113221110 in words is "two billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred ten".