30113100120221 has 4 divisors (see below), whose sum is σ = 30113130661500. Its totient is φ = 30113069578944.

The previous prime is 30113100120139. The next prime is 30113100120227. The reversal of 30113100120221 is 12202100131103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13972681380025 + 16140418740196 = 3738005^2 + 4017514^2 .

It is a cyclic number.

It is not a de Polignac number, because 30113100120221 - 2¹⁴ = 30113100103837 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 30113100120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113100120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13740566 + ... + 15780663.

It is an arithmetic number, because the mean of its divisors is an integer number (7528282665375).

Almost surely, 2^{30113100120221} is an apocalyptic number.

It is an amenable number.

30113100120221 is a deficient number, since it is larger than the sum of its proper divisors (30541279).

30113100120221 is a wasteful number, since it uses less digits than its factorization.

30113100120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30541278.

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

Adding to 30113100120221 its reverse (12202100131103), we get a palindrome (42315200251324).

The spelling of 30113100120221 in words is "thirty trillion, one hundred thirteen billion, one hundred million, one hundred twenty thousand, two hundred twenty-one".