30121322201 has 2 divisors, whose sum is σ = 30121322202. Its totient is φ = 30121322200.

The previous prime is 30121322183. The next prime is 30121322237. The reversal of 30121322201 is 10222312103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25588801225 + 4532520976 = 159965^2 + 67324^2 .

It is an emirp because it is prime and its reverse (10222312103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30121322201 - 2³⁴ = 12941453017 is a prime.

It is a super-2 number, since 2×30121322201² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30121322201.

It is not a weakly prime, because it can be changed into another prime (30121322501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060661100 + 15060661101.

It is an arithmetic number, because the mean of its divisors is an integer number (15060661101).

Almost surely, 2^30121322201 is an apocalyptic number.

It is an amenable number.

30121322201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121322201 is an equidigital number, since it uses as much as digits as its factorization.

30121322201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30121322201 its reverse (10222312103), we get a palindrome (40343634304).

The spelling of 30121322201 in words is "thirty billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred one".