30221221201 has 4 divisors (see below), whose sum is σ = 30672284272. Its totient is φ = 29770158132.

The previous prime is 30221221183. The next prime is 30221221211. The reversal of 30221221201 is 10212212203.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10212212203 = 15319 ⋅666637.

It is a cyclic number.

It is not a de Polignac number, because 30221221201 - 2⁵ = 30221221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225531435 + ... + 225531568.

It is an arithmetic number, because the mean of its divisors is an integer number (7668071068).

Almost surely, 2^30221221201 is an apocalyptic number.

It is an amenable number.

30221221201 is a deficient number, since it is larger than the sum of its proper divisors (451063071).

30221221201 is an equidigital number, since it uses as much as digits as its factorization.

30221221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451063070.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30221221201 its reverse (10212212203), we get a palindrome (40433433404).

The spelling of 30221221201 in words is "thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".