30404211121 has 4 divisors (see below), whose sum is σ = 30427546432. Its totient is φ = 30380875812.

The previous prime is 30404211113. The next prime is 30404211157. The reversal of 30404211121 is 12111240403.

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 not a de Polignac number, because 30404211121 - 2³ = 30404211113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30404211421) 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, 11665701 + ... + 11668306.

It is an arithmetic number, because the mean of its divisors is an integer number (7606886608).

Almost surely, 2^30404211121 is an apocalyptic number.

It is an amenable number.

30404211121 is a deficient number, since it is larger than the sum of its proper divisors (23335311).

30404211121 is a wasteful number, since it uses less digits than its factorization.

30404211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335310.

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

Adding to 30404211121 its reverse (12111240403), we get a palindrome (42515451524).

The spelling of 30404211121 in words is "thirty billion, four hundred four million, two hundred eleven thousand, one hundred twenty-one".