2133221110 has 32 divisors (see below), whose sum is σ = 3919687200. Its totient is φ = 835645440.

The previous prime is 2133221071. The next prime is 2133221137. The reversal of 2133221110 is 111223312.

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, 151990 + ... + 165430.

It is an arithmetic number, because the mean of its divisors is an integer number (122490225).

Almost surely, 2^2133221110 is an apocalyptic number.

2133221110 is a deficient number, since it is larger than the sum of its proper divisors (1786466090).

2133221110 is a wasteful number, since it uses less digits than its factorization.

2133221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2133221110 is about 46186.8066659733. The cubic root of 2133221110 is about 1287.2966060706.

Adding to 2133221110 its reverse (111223312), we get a palindrome (2244444422).

The spelling of 2133221110 in words is "two billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred ten".