2111221122 has 32 divisors (see below), whose sum is σ = 4284314880. Its totient is φ = 693463680.

The previous prime is 2111221103. The next prime is 2111221127. The reversal of 2111221122 is 2211221112.

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 (2111221127) 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, 252318 + ... + 260550.

It is an arithmetic number, because the mean of its divisors is an integer number (133884840).

Almost surely, 2^2111221122 is an apocalyptic number.

2111221122 is an abundant number, since it is smaller than the sum of its proper divisors (2173093758).

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

2111221122 is a wasteful number, since it uses less digits than its factorization.

2111221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858.

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

The square root of 2111221122 is about 45948.0263123456. The cubic root of 2111221122 is about 1282.8559930402.

Adding to 2111221122 its reverse (2211221112), we get a palindrome (4322442234).

The spelling of 2111221122 in words is "two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".