2102222110 has 64 divisors (see below), whose sum is σ = 3994583040. Its totient is φ = 795674880.

The previous prime is 2102222071. The next prime is 2102222113. The reversal of 2102222110 is 112222012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102222113) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2446861 + ... + 2447719.

It is an arithmetic number, because the mean of its divisors is an integer number (62415360).

Almost surely, 2^2102222110 is an apocalyptic number.

2102222110 is a deficient number, since it is larger than the sum of its proper divisors (1892360930).

2102222110 is a wasteful number, since it uses less digits than its factorization.

2102222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2102222110 is about 45849.9957470009. The cubic root of 2102222110 is about 1281.0306863643.

Adding to 2102222110 its reverse (112222012), we get a palindrome (2214444122).

The spelling of 2102222110 in words is "two billion, one hundred two million, two hundred twenty-two thousand, one hundred ten".