21133120023033 has 4 divisors (see below), whose sum is σ = 28177493364048. Its totient is φ = 14088746682020.

The previous prime is 21133120023023. The next prime is 21133120023091. The reversal of 21133120023033 is 33032002133112.

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 21133120023033 - 2⁴ = 21133120023017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21133120022994 and 21133120023012.

It is not an unprimeable number, because it can be changed into a prime (21133120023023) 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, 3522186670503 + ... + 3522186670508.

It is an arithmetic number, because the mean of its divisors is an integer number (7044373341012).

Almost surely, 2^{21133120023033} is an apocalyptic number.

It is an amenable number.

21133120023033 is a deficient number, since it is larger than the sum of its proper divisors (7044373341015).

21133120023033 is an equidigital number, since it uses as much as digits as its factorization.

21133120023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044373341014.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21133120023033 its reverse (33032002133112), we get a palindrome (54165122156145).

The spelling of 21133120023033 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred twenty million, twenty-three thousand, thirty-three".