2122221110 has 16 divisors (see below), whose sum is σ = 3882622032. Its totient is φ = 834972000.

The previous prime is 2122221083. The next prime is 2122221133. The reversal of 2122221110 is 111222212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738916 + ... + 1740135.

It is an arithmetic number, because the mean of its divisors is an integer number (242663877).

Almost surely, 2^2122221110 is an apocalyptic number.

2122221110 is a deficient number, since it is larger than the sum of its proper divisors (1760400922).

2122221110 is a wasteful number, since it uses less digits than its factorization.

2122221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479119.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2122221110 is about 46067.5711319796. The cubic root of 2122221110 is about 1285.0801344950.

Adding to 2122221110 its reverse (111222212), we get a palindrome (2233443322).

The spelling of 2122221110 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".