30005221001 has 12 divisors (see below), whose sum is σ = 34952618880. Its totient is φ = 25682960520.

The previous prime is 30005220967. The next prime is 30005221031. The reversal of 30005221001 is 10012250003.

It is a happy number.

It is not a de Polignac number, because 30005221001 - 2¹⁴ = 30005204617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30005221031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390605 + ... + 461066.

It is an arithmetic number, because the mean of its divisors is an integer number (2912718240).

Almost surely, 2^30005221001 is an apocalyptic number.

It is an amenable number.

30005221001 is a deficient number, since it is larger than the sum of its proper divisors (4947397879).

30005221001 is an equidigital number, since it uses as much as digits as its factorization.

30005221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852404 (or 852397 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 30005221001 its reverse (10012250003), we get a palindrome (40017471004).

The spelling of 30005221001 in words is "thirty billion, five million, two hundred twenty-one thousand, one".