30055320121 has 8 divisors (see below), whose sum is σ = 31282462080. Its totient is φ = 28840894992.

The previous prime is 30055320101. The next prime is 30055320133. The reversal of 30055320121 is 12102355003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30055320121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30055320092 and 30055320101.

It is not an unprimeable number, because it can be changed into a prime (30055320101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174385 + ... + 3183838.

It is an arithmetic number, because the mean of its divisors is an integer number (3910307760).

Almost surely, 2^30055320121 is an apocalyptic number.

It is an amenable number.

30055320121 is a deficient number, since it is larger than the sum of its proper divisors (1227141959).

30055320121 is a wasteful number, since it uses less digits than its factorization.

30055320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358415.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 30055320121 its reverse (12102355003), we get a palindrome (42157675124).

The spelling of 30055320121 in words is "thirty billion, fifty-five million, three hundred twenty thousand, one hundred twenty-one".