2112421322 has 16 divisors (see below), whose sum is σ = 3487283712. Its totient is φ = 951693120.

The previous prime is 2112421291. The next prime is 2112421327. The reversal of 2112421322 is 2231242112.

It is a junction number, because it is equal to n+sod(n) for n = 2112421294 and 2112421303.

It is not an unprimeable number, because it can be changed into a prime (2112421327) 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, 422378 + ... + 427349.

It is an arithmetic number, because the mean of its divisors is an integer number (217955232).

Almost surely, 2^2112421322 is an apocalyptic number.

2112421322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112421322 is a deficient number, since it is larger than the sum of its proper divisors (1374862390).

2112421322 is a wasteful number, since it uses less digits than its factorization.

2112421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849853.

The product of its digits is 384, while the sum is 20.

The square root of 2112421322 is about 45961.0848653510. The cubic root of 2112421322 is about 1283.0990422840.

Adding to 2112421322 its reverse (2231242112), we get a palindrome (4343663434).

The spelling of 2112421322 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, three hundred twenty-two".