30221321213033 has 4 divisors (see below), whose sum is σ = 30228497973648. Its totient is φ = 30214144452420.

The previous prime is 30221321212987. The next prime is 30221321213047. The reversal of 30221321213033 is 33031212312203.

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 30221321213033 - 2¹² = 30221321208937 is a prime.

It is a super-2 number, since 2×30221321213033² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221321212993 and 30221321213011.

It is not an unprimeable number, because it can be changed into a prime (30221324213033) 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, 3588373991 + ... + 3588382412.

It is an arithmetic number, because the mean of its divisors is an integer number (7557124493412).

Almost surely, 2^{30221321213033} is an apocalyptic number.

It is an amenable number.

30221321213033 is a deficient number, since it is larger than the sum of its proper divisors (7176760615).

30221321213033 is an equidigital number, since it uses as much as digits as its factorization.

30221321213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176760614.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30221321213033 its reverse (33031212312203), we get a palindrome (63252533525236).

The spelling of 30221321213033 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred thirteen thousand, thirty-three".