2112421052 has 24 divisors (see below), whose sum is σ = 4272317280. Its totient is φ = 895150080.

The previous prime is 2112421021. The next prime is 2112421081. The reversal of 2112421052 is 2501242112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421349 + ... + 426332.

It is an arithmetic number, because the mean of its divisors is an integer number (178013220).

Almost surely, 2^2112421052 is an apocalyptic number.

It is an amenable number.

2112421052 is an abundant number, since it is smaller than the sum of its proper divisors (2159896228).

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

2112421052 is a wasteful number, since it uses less digits than its factorization.

2112421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847781 (or 847779 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2112421052 is about 45961.0819280835. The cubic root of 2112421052 is about 1283.0989876174.

Adding to 2112421052 its reverse (2501242112), we get a palindrome (4613663164).

The spelling of 2112421052 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, fifty-two".