2121022434 has 8 divisors (see below), whose sum is σ = 4242044880. Its totient is φ = 707007476.

The previous prime is 2121022369. The next prime is 2121022471. The reversal of 2121022434 is 4342201212.

It is a sphenic number, since it is the product of 3 distinct primes.

2121022434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121022434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176751864 + ... + 176751875.

It is an arithmetic number, because the mean of its divisors is an integer number (530255610).

Almost surely, 2^2121022434 is an apocalyptic number.

2121022434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121022434 is a wasteful number, since it uses less digits than its factorization.

2121022434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353503744.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2121022434 is about 46054.5593182695. The cubic root of 2121022434 is about 1284.8381419877.

Adding to 2121022434 its reverse (4342201212), we get a palindrome (6463223646).

The spelling of 2121022434 in words is "two billion, one hundred twenty-one million, twenty-two thousand, four hundred thirty-four".