30221231130120 has 128 divisors (see below), whose sum is σ = 93796749360000. Its totient is φ = 7780540938240.

The previous prime is 30221231130113. The next prime is 30221231130173. The reversal of 30221231130120 is 2103113212203.

It is a super-2 number, since 2×30221231130120² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49393831 + ... + 50001929.

It is an arithmetic number, because the mean of its divisors is an integer number (732787104375).

Almost surely, 2^{30221231130120} is an apocalyptic number.

30221231130120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221231130120 is an abundant number, since it is smaller than the sum of its proper divisors (63575518229880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221231130120 is a wasteful number, since it uses less digits than its factorization.

30221231130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622423 (or 622419 counting only the distinct ones).

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

Adding to 30221231130120 its reverse (2103113212203), we get a palindrome (32324344342323).

The spelling of 30221231130120 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twenty".