21222041033 has 8 divisors (see below), whose sum is σ = 21402541440. Its totient is φ = 21041911840.

The previous prime is 21222040943. The next prime is 21222041047. The reversal of 21222041033 is 33014022212.

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

It is a cyclic number.

It is not a de Polignac number, because 21222041033 - 2¹⁰ = 21222040009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222040996 and 21222041014.

It is not an unprimeable number, because it can be changed into a prime (21222041933) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22628 + ... + 207258.

It is an arithmetic number, because the mean of its divisors is an integer number (2675317680).

Almost surely, 2^21222041033 is an apocalyptic number.

It is an amenable number.

21222041033 is a deficient number, since it is larger than the sum of its proper divisors (180500407).

21222041033 is a wasteful number, since it uses less digits than its factorization.

21222041033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185607.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21222041033 its reverse (33014022212), we get a palindrome (54236063245).

The spelling of 21222041033 in words is "twenty-one billion, two hundred twenty-two million, forty-one thousand, thirty-three".