2122210110 has 48 divisors (see below), whose sum is σ = 5234782896. Its totient is φ = 550616832.

The previous prime is 2122210109. The next prime is 2122210157. The reversal of 2122210110 is 110122212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15234 + ... + 66906.

It is an arithmetic number, because the mean of its divisors is an integer number (109057977).

Almost surely, 2^2122210110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122210110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617391448).

2122210110 is an abundant number, since it is smaller than the sum of its proper divisors (3112572786).

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

2122210110 is a wasteful number, since it uses less digits than its factorization.

2122210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51757 (or 51720 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122210110 is about 46067.4517419837. The cubic root of 2122210110 is about 1285.0779141945.

Adding to 2122210110 its reverse (110122212), we get a palindrome (2232332322).

The spelling of 2122210110 in words is "two billion, one hundred twenty-two million, two hundred ten thousand, one hundred ten".