30202231121 has 4 divisors (see below), whose sum is σ = 30300610032. Its totient is φ = 30103852212.

The previous prime is 30202231099. The next prime is 30202231139. The reversal of 30202231121 is 12113220203.

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 a de Polignac number, because none of the positive numbers 2^k-30202231121 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 30202231121.

It is not an unprimeable number, because it can be changed into a prime (30202231181) 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, 49188995 + ... + 49189608.

It is an arithmetic number, because the mean of its divisors is an integer number (7575152508).

Almost surely, 2^30202231121 is an apocalyptic number.

It is an amenable number.

30202231121 is a deficient number, since it is larger than the sum of its proper divisors (98378911).

30202231121 is an equidigital number, since it uses as much as digits as its factorization.

30202231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98378910.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30202231121 its reverse (12113220203), we get a palindrome (42315451324).

The spelling of 30202231121 in words is "thirty billion, two hundred two million, two hundred thirty-one thousand, one hundred twenty-one".