30221434124321 has 32 divisors (see below), whose sum is σ = 33705535242240. Its totient is φ = 26866535673600.

The previous prime is 30221434124279. The next prime is 30221434124333. The reversal of 30221434124321 is 12342143412203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30221434124321 - 2¹⁴ = 30221434107937 is a prime.

It is a super-2 number, since 2×30221434124321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221434127321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385699070 + ... + 385777416.

It is an arithmetic number, because the mean of its divisors is an integer number (1053297976320).

Almost surely, 2^{30221434124321} is an apocalyptic number.

It is an amenable number.

30221434124321 is a deficient number, since it is larger than the sum of its proper divisors (3484101117919).

30221434124321 is a wasteful number, since it uses less digits than its factorization.

30221434124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82445.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 30221434124321 its reverse (12342143412203), we get a palindrome (42563577536524).

The spelling of 30221434124321 in words is "thirty trillion, two hundred twenty-one billion, four hundred thirty-four million, one hundred twenty-four thousand, three hundred twenty-one".