30022131121 has 4 divisors (see below), whose sum is σ = 31788138852. Its totient is φ = 28256123392.

The previous prime is 30022131119. The next prime is 30022131131. The reversal of 30022131121 is 12113122003.

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 26143332721 + 3878798400 = 161689^2 + 62280^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022131121 - 2¹ = 30022131119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022131095 and 30022131104.

It is not an unprimeable number, because it can be changed into a prime (30022131101) 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, 883003840 + ... + 883003873.

It is an arithmetic number, because the mean of its divisors is an integer number (7947034713).

Almost surely, 2^30022131121 is an apocalyptic number.

It is an amenable number.

30022131121 is a deficient number, since it is larger than the sum of its proper divisors (1766007731).

30022131121 is a wasteful number, since it uses less digits than its factorization.

30022131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766007730.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30022131121 its reverse (12113122003), we get a palindrome (42135253124).

The spelling of 30022131121 in words is "thirty billion, twenty-two million, one hundred thirty-one thousand, one hundred twenty-one".