30221332220033 has 4 divisors (see below), whose sum is σ = 30221545129920. Its totient is φ = 30221119310148.

The previous prime is 30221332220003. The next prime is 30221332220039. The reversal of 30221332220033 is 33002223312203.

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 a de Polignac number, because none of the positive numbers 2^k-30221332220033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221332219984 and 30221332220011.

It is not an unprimeable number, because it can be changed into a prime (30221332220039) 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, 106241885 + ... + 106525962.

It is an arithmetic number, because the mean of its divisors is an integer number (7555386282480).

Almost surely, 2^{30221332220033} is an apocalyptic number.

It is an amenable number.

30221332220033 is a deficient number, since it is larger than the sum of its proper divisors (212909887).

30221332220033 is a wasteful number, since it uses less digits than its factorization.

30221332220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212909886.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 30221332220033 its reverse (33002223312203), we get a palindrome (63223555532236).

The spelling of 30221332220033 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred twenty thousand, thirty-three".