30111220441 has 16 divisors (see below), whose sum is σ = 30688978320. Its totient is φ = 29539860480.

The previous prime is 30111220439. The next prime is 30111220457. The reversal of 30111220441 is 14402211103.

It can be written as a sum of positive squares in 8 ways, for example, as 64464841 + 30046755600 = 8029^2 + 173340^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111220441 - 2¹ = 30111220439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111220241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7018425 + ... + 7022713.

It is an arithmetic number, because the mean of its divisors is an integer number (1918061145).

Almost surely, 2^30111220441 is an apocalyptic number.

It is an amenable number.

30111220441 is a deficient number, since it is larger than the sum of its proper divisors (577757879).

30111220441 is a wasteful number, since it uses less digits than its factorization.

30111220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 30111220441 its reverse (14402211103), we get a palindrome (44513431544).

The spelling of 30111220441 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, four hundred forty-one".