21222042415033 has 8 divisors (see below), whose sum is σ = 21272913637920. Its totient is φ = 21171172249920.

The previous prime is 21222042415001. The next prime is 21222042415037. The reversal of 21222042415033 is 33051424022212.

It is a happy number.

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 21222042415033 - 2⁵ = 21222042415001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222042414986 and 21222042415004.

It is not an unprimeable number, because it can be changed into a prime (21222042415037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52499218 + ... + 52901908.

It is an arithmetic number, because the mean of its divisors is an integer number (2659114204740).

Almost surely, 2^{21222042415033} is an apocalyptic number.

It is an amenable number.

21222042415033 is a deficient number, since it is larger than the sum of its proper divisors (50871222887).

21222042415033 is a wasteful number, since it uses less digits than its factorization.

21222042415033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528887.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 21222042415033 its reverse (33051424022212), we get a palindrome (54273466437245).

The spelling of 21222042415033 in words is "twenty-one trillion, two hundred twenty-two billion, forty-two million, four hundred fifteen thousand, thirty-three".