30223113121 has 4 divisors (see below), whose sum is σ = 30223618452. Its totient is φ = 30222607792.

The previous prime is 30223113083. The next prime is 30223113127. The reversal of 30223113121 is 12131132203.

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 21604590225 + 8618522896 = 146985^2 + 92836^2 .

It is a cyclic number.

It is not a de Polignac number, because 30223113121 - 2¹³ = 30223104929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30223113127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148690 + ... + 287323.

It is an arithmetic number, because the mean of its divisors is an integer number (7555904613).

Almost surely, 2^30223113121 is an apocalyptic number.

It is an amenable number.

30223113121 is a deficient number, since it is larger than the sum of its proper divisors (505331).

30223113121 is an equidigital number, since it uses as much as digits as its factorization.

30223113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505330.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30223113121 its reverse (12131132203), we get a palindrome (42354245324).

The spelling of 30223113121 in words is "thirty billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred twenty-one".