30213312010221 has 16 divisors (see below), whose sum is σ = 40379273625600. Its totient is φ = 20094833133168.

The previous prime is 30213312010157. The next prime is 30213312010223. The reversal of 30213312010221 is 12201021331203.

It is not a de Polignac number, because 30213312010221 - 2⁶ = 30213312010157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213312010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4499541 + ... + 8981786.

It is an arithmetic number, because the mean of its divisors is an integer number (2523704601600).

Almost surely, 2^{30213312010221} is an apocalyptic number.

It is an amenable number.

30213312010221 is a deficient number, since it is larger than the sum of its proper divisors (10165961615379).

30213312010221 is a wasteful number, since it uses less digits than its factorization.

30213312010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13483088.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30213312010221 its reverse (12201021331203), we get a palindrome (42414333341424).

The spelling of 30213312010221 in words is "thirty trillion, two hundred thirteen billion, three hundred twelve million, ten thousand, two hundred twenty-one".