2102110122 has 16 divisors (see below), whose sum is σ = 4804823232. Its totient is φ = 600602880.

The previous prime is 2102110121. The next prime is 2102110159. The reversal of 2102110122 is 2210112012.

It is a junction number, because it is equal to n+sod(n) for n = 2102110098 and 2102110107.

It is not an unprimeable number, because it can be changed into a prime (2102110121) 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 7 ways as a sum of consecutive naturals, for example, 25025079 + ... + 25025162.

It is an arithmetic number, because the mean of its divisors is an integer number (300301452).

Almost surely, 2^2102110122 is an apocalyptic number.

2102110122 is an abundant number, since it is smaller than the sum of its proper divisors (2702713110).

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

2102110122 is a wasteful number, since it uses less digits than its factorization.

2102110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050253.

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

The square root of 2102110122 is about 45848.7744874386. The cubic root of 2102110122 is about 1281.0079385916.

Adding to 2102110122 its reverse (2210112012), we get a palindrome (4312222134).

The spelling of 2102110122 in words is "two billion, one hundred two million, one hundred ten thousand, one hundred twenty-two".