30321224121 has 32 divisors (see below), whose sum is σ = 41851256832. Its totient is φ = 19514638080.

The previous prime is 30321224113. The next prime is 30321224147. The reversal of 30321224121 is 12142212303.

It is not a de Polignac number, because 30321224121 - 2³ = 30321224113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30321224621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5580276 + ... + 5585706.

It is an arithmetic number, because the mean of its divisors is an integer number (1307851776).

Almost surely, 2^30321224121 is an apocalyptic number.

It is an amenable number.

30321224121 is a deficient number, since it is larger than the sum of its proper divisors (11530032711).

30321224121 is a wasteful number, since it uses less digits than its factorization.

30321224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30321224121 its reverse (12142212303), we get a palindrome (42463436424).

The spelling of 30321224121 in words is "thirty billion, three hundred twenty-one million, two hundred twenty-four thousand, one hundred twenty-one".