2220100122 has 16 divisors (see below), whose sum is σ = 4560206112. Its totient is φ = 720032400.

The previous prime is 2220100121. The next prime is 2220100187. The reversal of 2220100122 is 2210010222.

It is a junction number, because it is equal to n+sod(n) for n = 2220100098 and 2220100107.

It is not an unprimeable number, because it can be changed into a prime (2220100121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000004 + ... + 5000447.

It is an arithmetic number, because the mean of its divisors is an integer number (285012882).

Almost surely, 2^2220100122 is an apocalyptic number.

2220100122 is an abundant number, since it is smaller than the sum of its proper divisors (2340105990).

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

2220100122 is a wasteful number, since it uses less digits than its factorization.

2220100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000493.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2220100122 is about 47117.9384311326. The cubic root of 2220100122 is about 1304.5403610209.

Adding to 2220100122 its reverse (2210010222), we get a palindrome (4430110344).

It can be divided in two parts, 2220100 and 122, that added together give a palindrome (2220222).

The spelling of 2220100122 in words is "two billion, two hundred twenty million, one hundred thousand, one hundred twenty-two".