21133330033434 has 32 divisors (see below), whose sum is σ = 42377991727104. Its totient is φ = 7025888915520.

The previous prime is 21133330033411. The next prime is 21133330033489. The reversal of 21133330033434 is 43433003333112.

It is a junction number, because it is equal to n+sod(n) for n = 21133330033395 and 21133330033404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140426812 + ... + 140577224.

It is an arithmetic number, because the mean of its divisors is an integer number (1324312241472).

Almost surely, 2^{21133330033434} is an apocalyptic number.

21133330033434 is an abundant number, since it is smaller than the sum of its proper divisors (21244661693670).

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

21133330033434 is a wasteful number, since it uses less digits than its factorization.

21133330033434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211942.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 21133330033434 its reverse (43433003333112), we get a palindrome (64566333366546).

The spelling of 21133330033434 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred thirty million, thirty-three thousand, four hundred thirty-four".