2122110128 has 20 divisors (see below), whose sum is σ = 4153978920. Its totient is φ = 1050115584.

The previous prime is 2122110121. The next prime is 2122110131. The reversal of 2122110128 is 8210112212.

It is not an unprimeable number, because it can be changed into a prime (2122110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682118 + ... + 685221.

It is an arithmetic number, because the mean of its divisors is an integer number (207698946).

Almost surely, 2^2122110128 is an apocalyptic number.

It is an amenable number.

2122110128 is a deficient number, since it is larger than the sum of its proper divisors (2031868792).

2122110128 is a wasteful number, since it uses less digits than its factorization.

2122110128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367444 (or 1367438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 2122110128 is about 46066.3665595627. The cubic root of 2122110128 is about 1285.0577329257.

The spelling of 2122110128 in words is "two billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-eight".