2102221122 has 32 divisors (see below), whose sum is σ = 4471422912. Its totient is φ = 656607744.

The previous prime is 2102221117. The next prime is 2102221129. The reversal of 2102221122 is 2211222012.

It is not an unprimeable number, because it can be changed into a prime (2102221129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22243 + ... + 68550.

It is an arithmetic number, because the mean of its divisors is an integer number (139731966).

Almost surely, 2^2102221122 is an apocalyptic number.

2102221122 is an abundant number, since it is smaller than the sum of its proper divisors (2369201790).

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

2102221122 is a wasteful number, since it uses less digits than its factorization.

2102221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91042.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2102221122 is about 45849.9849727347. The cubic root of 2102221122 is about 1281.0304856785.

Adding to 2102221122 its reverse (2211222012), we get a palindrome (4313443134).

The spelling of 2102221122 in words is "two billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-two".