30221012331121 has 8 divisors (see below), whose sum is σ = 32005753252200. Its totient is φ = 28437053000448.

The previous prime is 30221012331047. The next prime is 30221012331127. The reversal of 30221012331121 is 12113321012203.

It can be written as a sum of positive squares in 4 ways, for example, as 19496075070096 + 10724937261025 = 4415436^2 + 3274895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30221012331121 - 2¹⁹ = 30221011806833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221012331092 and 30221012331101.

It is not an unprimeable number, because it can be changed into a prime (30221012331127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195317986 + ... + 195472651.

It is an arithmetic number, because the mean of its divisors is an integer number (4000719156525).

Almost surely, 2^{30221012331121} is an apocalyptic number.

It is an amenable number.

30221012331121 is a deficient number, since it is larger than the sum of its proper divisors (1784740921079).

30221012331121 is a wasteful number, since it uses less digits than its factorization.

30221012331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390795203.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30221012331121 its reverse (12113321012203), we get a palindrome (42334333343324).

The spelling of 30221012331121 in words is "thirty trillion, two hundred twenty-one billion, twelve million, three hundred thirty-one thousand, one hundred twenty-one".