133033210010221 has 4 divisors (see below), whose sum is σ = 133036343858944. Its totient is φ = 133030076161500.

The previous prime is 133033210010201. The next prime is 133033210010257. The reversal of 133033210010221 is 122010012330331.

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 133033210010221 - 2²¹ = 133033207913069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133033210010192 and 133033210010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033210010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566860685 + ... + 1566945586.

It is an arithmetic number, because the mean of its divisors is an integer number (33259085964736).

Almost surely, 2^{133033210010221} is an apocalyptic number.

It is an amenable number.

133033210010221 is a deficient number, since it is larger than the sum of its proper divisors (3133848723).

133033210010221 is an equidigital number, since it uses as much as digits as its factorization.

133033210010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133848722.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133033210010221 its reverse (122010012330331), we get a palindrome (255043222340552).

The spelling of 133033210010221 in words is "one hundred thirty-three trillion, thirty-three billion, two hundred ten million, ten thousand, two hundred twenty-one".