2211121122 has 32 divisors (see below), whose sum is σ = 5055436800. Its totient is φ = 631568208.

The previous prime is 2211121109. The next prime is 2211121127. The reversal of 2211121122 is 2211211122.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2211121127) 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, 227029 + ... + 236567.

It is an arithmetic number, because the mean of its divisors is an integer number (157982400).

Almost surely, 2^2211121122 is an apocalyptic number.

2211121122 is an abundant number, since it is smaller than the sum of its proper divisors (2844315678).

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

2211121122 is a wasteful number, since it uses less digits than its factorization.

2211121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070.

The product of its digits is 32, while the sum is 15.

The square root of 2211121122 is about 47022.5597133971. The cubic root of 2211121122 is about 1302.7792850636.

Adding to 2211121122 its reverse (2211211122), we get a palindrome (4422332244).

Subtracting 2211121122 from its reverse (2211211122), we obtain a square (90000 = 300²).

The spelling of 2211121122 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".