30321021201 has 8 divisors (see below), whose sum is σ = 40501939104. Its totient is φ = 20177058720.

The previous prime is 30321021197. The next prime is 30321021209. The reversal of 30321021201 is 10212012303.

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

It is not a de Polignac number, because 30321021201 - 2² = 30321021197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30321021209) 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, 9236940 + ... + 9240221.

It is an arithmetic number, because the mean of its divisors is an integer number (5062742388).

Almost surely, 2^30321021201 is an apocalyptic number.

It is an amenable number.

30321021201 is a deficient number, since it is larger than the sum of its proper divisors (10180917903).

30321021201 is a wasteful number, since it uses less digits than its factorization.

30321021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477711.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30321021201 its reverse (10212012303), we get a palindrome (40533033504).

It can be divided in two parts, 3032102 and 1201, that added together give a palindrome (3033303).

The spelling of 30321021201 in words is "thirty billion, three hundred twenty-one million, twenty-one thousand, two hundred one".