30420214221 has 8 divisors (see below), whose sum is σ = 40561663744. Its totient is φ = 20279453760.

The previous prime is 30420214213. The next prime is 30420214229. The reversal of 30420214221 is 12241202403.

It is an interprime number because it is at equal distance from previous prime (30420214213) and next prime (30420214229).

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

It is not a de Polignac number, because 30420214221 - 2³ = 30420214213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420214229) 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, 58525 + ... + 253506.

It is an arithmetic number, because the mean of its divisors is an integer number (5070207968).

Almost surely, 2^30420214221 is an apocalyptic number.

It is an amenable number.

30420214221 is a deficient number, since it is larger than the sum of its proper divisors (10141449523).

30420214221 is a wasteful number, since it uses less digits than its factorization.

30420214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344531.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30420214221 its reverse (12241202403), we get a palindrome (42661416624).

The spelling of 30420214221 in words is "thirty billion, four hundred twenty million, two hundred fourteen thousand, two hundred twenty-one".