30121111141 has 24 divisors (see below), whose sum is σ = 35197779744. Its totient is φ = 25554212640.

The previous prime is 30121111117. The next prime is 30121111171. The reversal of 30121111141 is 14111112103.

It is not a de Polignac number, because 30121111141 - 2⁵ = 30121111109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121111171) 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 23 ways as a sum of consecutive naturals, for example, 209451 + ... + 322663.

It is an arithmetic number, because the mean of its divisors is an integer number (1466574156).

Almost surely, 2^30121111141 is an apocalyptic number.

It is an amenable number.

30121111141 is a deficient number, since it is larger than the sum of its proper divisors (5076668603).

30121111141 is a wasteful number, since it uses less digits than its factorization.

30121111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113329 (or 113310 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 30121111141 its reverse (14111112103), we get a palindrome (44232223244).

The spelling of 30121111141 in words is "thirty billion, one hundred twenty-one million, one hundred eleven thousand, one hundred forty-one".