21332222012033 has 4 divisors (see below), whose sum is σ = 21366029020608. Its totient is φ = 21298415003460.

The previous prime is 21332222012011. The next prime is 21332222012053. The reversal of 21332222012033 is 33021022223312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21332222012033 - 2²⁰ = 21332220963457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332222011993 and 21332222012011.

It is not an unprimeable number, because it can be changed into a prime (21332222012053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903503341 + ... + 16903504602.

It is an arithmetic number, because the mean of its divisors is an integer number (5341507255152).

Almost surely, 2^{21332222012033} is an apocalyptic number.

It is an amenable number.

21332222012033 is a deficient number, since it is larger than the sum of its proper divisors (33807008575).

21332222012033 is an equidigital number, since it uses as much as digits as its factorization.

21332222012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33807008574.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21332222012033 its reverse (33021022223312), we get a palindrome (54353244235345).

The spelling of 21332222012033 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty-two million, twelve thousand, thirty-three".