30221023212101 has 8 divisors (see below), whose sum is σ = 30498418055160. Its totient is φ = 29943630873792.

The previous prime is 30221023212091. The next prime is 30221023212179. The reversal of 30221023212101 is 10121232012203.

It can be written as a sum of positive squares in 4 ways, for example, as 21163036108900 + 9057987103201 = 4600330^2 + 3009649^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30221023212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221023212901) 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, 30836831 + ... + 31801763.

It is an arithmetic number, because the mean of its divisors is an integer number (3812302256895).

Almost surely, 2^{30221023212101} is an apocalyptic number.

It is an amenable number.

30221023212101 is a deficient number, since it is larger than the sum of its proper divisors (277394843059).

30221023212101 is a wasteful number, since it uses less digits than its factorization.

30221023212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252375.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30221023212101 its reverse (10121232012203), we get a palindrome (40342255224304).

The spelling of 30221023212101 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, two hundred twelve thousand, one hundred one".