30011220133 has 2 divisors, whose sum is σ = 30011220134. Its totient is φ = 30011220132.

The previous prime is 30011220131. The next prime is 30011220229. The reversal of 30011220133 is 33102211003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23025938049 + 6985282084 = 151743^2 + 83578^2 .

It is a cyclic number.

It is not a de Polignac number, because 30011220133 - 2¹ = 30011220131 is a prime.

Together with 30011220131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30011220131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005610066 + 15005610067.

It is an arithmetic number, because the mean of its divisors is an integer number (15005610067).

Almost surely, 2^30011220133 is an apocalyptic number.

It is an amenable number.

30011220133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011220133 is an equidigital number, since it uses as much as digits as its factorization.

30011220133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30011220133 its reverse (33102211003), we get a palindrome (63113431136).

The spelling of 30011220133 in words is "thirty billion, eleven million, two hundred twenty thousand, one hundred thirty-three".