30203112221 has 8 divisors (see below), whose sum is σ = 30449388000. Its totient is φ = 29957580432.

The previous prime is 30203112217. The next prime is 30203112229. The reversal of 30203112221 is 12221130203.

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

It is a cyclic number.

It is not a de Polignac number, because 30203112221 - 2² = 30203112217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30203112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104330 + ... + 267003.

It is an arithmetic number, because the mean of its divisors is an integer number (3806173500).

Almost surely, 2^30203112221 is an apocalyptic number.

It is an amenable number.

30203112221 is a deficient number, since it is larger than the sum of its proper divisors (246275779).

30203112221 is a wasteful number, since it uses less digits than its factorization.

30203112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371995.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30203112221 its reverse (12221130203), we get a palindrome (42424242424).

The spelling of 30203112221 in words is "thirty billion, two hundred three million, one hundred twelve thousand, two hundred twenty-one".