2221110122 has 72 divisors (see below), whose sum is σ = 4315711680. Its totient is φ = 854053200.

The previous prime is 2221110119. The next prime is 2221110131. The reversal of 2221110122 is 2210111222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2221110097 and 2221110106.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 935597 + ... + 937967.

It is an arithmetic number, because the mean of its divisors is an integer number (59940440).

Almost surely, 2^2221110122 is an apocalyptic number.

2221110122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221110122 is a deficient number, since it is larger than the sum of its proper divisors (2094601558).

2221110122 is a wasteful number, since it uses less digits than its factorization.

2221110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221110122 is about 47128.6549988433. The cubic root of 2221110122 is about 1304.7381578075.

Adding to 2221110122 its reverse (2210111222), we get a palindrome (4431221344).

The spelling of 2221110122 in words is "two billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".