30201211221 has 8 divisors (see below), whose sum is σ = 40683418944. Its totient is φ = 19926572160.

The previous prime is 30201211219. The next prime is 30201211223. The reversal of 30201211221 is 12211210203.

It is an interprime number because it is at equal distance from previous prime (30201211219) and next prime (30201211223).

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

It is not a de Polignac number, because 30201211221 - 2¹ = 30201211219 is a prime.

It is a super-2 number, since 2×30201211221² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30201211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201211223) 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, 51891825 + ... + 51892406.

It is an arithmetic number, because the mean of its divisors is an integer number (5085427368).

Almost surely, 2^30201211221 is an apocalyptic number.

It is an amenable number.

30201211221 is a deficient number, since it is larger than the sum of its proper divisors (10482207723).

30201211221 is a wasteful number, since it uses less digits than its factorization.

30201211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103784331.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30201211221 its reverse (12211210203), we get a palindrome (42412421424).

The spelling of 30201211221 in words is "thirty billion, two hundred one million, two hundred eleven thousand, two hundred twenty-one".