2121033430 has 8 divisors (see below), whose sum is σ = 3817860192. Its totient is φ = 848413368.

The previous prime is 2121033413. The next prime is 2121033449. The reversal of 2121033430 is 343301212.

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

It is a super-2 number, since 2×2121033430² = 8997565622355129800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121033398 and 2121033407.

It is a congruent number.

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, 106051662 + ... + 106051681.

It is an arithmetic number, because the mean of its divisors is an integer number (477232524).

Almost surely, 2^2121033430 is an apocalyptic number.

2121033430 is a deficient number, since it is larger than the sum of its proper divisors (1696826762).

2121033430 is a wasteful number, since it uses less digits than its factorization.

2121033430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212103350.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2121033430 is about 46054.6786982604. The cubic root of 2121033430 is about 1284.8403623093.

Adding to 2121033430 its reverse (343301212), we get a palindrome (2464334642).

The spelling of 2121033430 in words is "two billion, one hundred twenty-one million, thirty-three thousand, four hundred thirty".