30201222321 has 6 divisors (see below), whose sum is σ = 43623987810. Its totient is φ = 20134148208.

The previous prime is 30201222277. The next prime is 30201222379. The reversal of 30201222321 is 12322210203.

It can be written as a sum of positive squares in only one way, i.e., 21432960000 + 8768262321 = 146400^2 + 93639^2 .

It is not a de Polignac number, because 30201222321 - 2¹⁸ = 30200960177 is a prime.

It is a super-2 number, since 2×30201222321² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201222294 and 30201222303.

It is not an unprimeable number, because it can be changed into a prime (30201222221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1677845676 + ... + 1677845693.

It is an arithmetic number, because the mean of its divisors is an integer number (7270664635).

Almost surely, 2^30201222321 is an apocalyptic number.

It is an amenable number.

30201222321 is a deficient number, since it is larger than the sum of its proper divisors (13422765489).

30201222321 is a wasteful number, since it uses less digits than its factorization.

30201222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355691375 (or 3355691372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30201222321 its reverse (12322210203), we get a palindrome (42523432524).

The spelling of 30201222321 in words is "thirty billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty-one".