30021421214 has 16 divisors (see below), whose sum is σ = 45238662000. Its totient is φ = 14941973184.

The previous prime is 30021421123. The next prime is 30021421217. The reversal of 30021421214 is 41212412003.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021421217) 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, 555317 + ... + 606975.

It is an arithmetic number, because the mean of its divisors is an integer number (2827416375).

Almost surely, 2^30021421214 is an apocalyptic number.

30021421214 is a deficient number, since it is larger than the sum of its proper divisors (15217240786).

30021421214 is a wasteful number, since it uses less digits than its factorization.

30021421214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52987.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30021421214 its reverse (41212412003), we get a palindrome (71233833217).

The spelling of 30021421214 in words is "thirty billion, twenty-one million, four hundred twenty-one thousand, two hundred fourteen".