2121113322 has 24 divisors (see below), whose sum is σ = 4641251940. Its totient is φ = 700036800.

The previous prime is 2121113297. The next prime is 2121113329. The reversal of 2121113322 is 2233111212.

It can be written as a sum of positive squares in 2 ways, for example, as 1708251561 + 412861761 = 41331^2 + 20319^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 2121113295 and 2121113304.

It is not an unprimeable number, because it can be changed into a prime (2121113329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581547 + ... + 585182.

Almost surely, 2^2121113322 is an apocalyptic number.

2121113322 is an abundant number, since it is smaller than the sum of its proper divisors (2520138618).

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

2121113322 is a wasteful number, since it uses less digits than its factorization.

2121113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166838 (or 1166835 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2121113322 is about 46055.5460503944. The cubic root of 2121113322 is about 1284.8564939390.

Adding to 2121113322 its reverse (2233111212), we get a palindrome (4354224534).

The spelling of 2121113322 in words is "two billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-two".