2112021422 has 48 divisors (see below), whose sum is σ = 3825880128. Its totient is φ = 871254720.

The previous prime is 2112021421. The next prime is 2112021521. The reversal of 2112021422 is 2241202112.

It is a super-3 number, since 3×2112021422³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112021422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112021421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277208 + ... + 284724.

It is an arithmetic number, because the mean of its divisors is an integer number (79705836).

Almost surely, 2^2112021422 is an apocalyptic number.

2112021422 is a deficient number, since it is larger than the sum of its proper divisors (1713858706).

2112021422 is a wasteful number, since it uses less digits than its factorization.

2112021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641 (or 7634 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2112021422 is about 45956.7342399348. The cubic root of 2112021422 is about 1283.0180698499.

Adding to 2112021422 its reverse (2241202112), we get a palindrome (4353223534).

The spelling of 2112021422 in words is "two billion, one hundred twelve million, twenty-one thousand, four hundred twenty-two".