30130001211221 has 4 divisors (see below), whose sum is σ = 30159225267744. Its totient is φ = 30100777154700.

The previous prime is 30130001211173. The next prime is 30130001211251. The reversal of 30130001211221 is 12211210003103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30130001211221 - 2²⁶ = 30129934102357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30130001211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130001211251) 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 3 ways as a sum of consecutive naturals, for example, 14612026715 + ... + 14612028776.

It is an arithmetic number, because the mean of its divisors is an integer number (7539806316936).

Almost surely, 2^{30130001211221} is an apocalyptic number.

It is an amenable number.

30130001211221 is a deficient number, since it is larger than the sum of its proper divisors (29224056523).

30130001211221 is a wasteful number, since it uses less digits than its factorization.

30130001211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29224056522.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30130001211221 its reverse (12211210003103), we get a palindrome (42341211214324).

The spelling of 30130001211221 in words is "thirty trillion, one hundred thirty billion, one million, two hundred eleven thousand, two hundred twenty-one".