30221231130121 has 4 divisors (see below), whose sum is σ = 30226742941392. Its totient is φ = 30215719318852.

The previous prime is 30221231130113. The next prime is 30221231130173. The reversal of 30221231130121 is 12103113212203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30221231130121 - 2³ = 30221231130113 is a prime.

It is a super-2 number, since 2×30221231130121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221231130092 and 30221231130101.

It is not an unprimeable number, because it can be changed into a prime (30221231130221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755897411 + ... + 2755908376.

It is an arithmetic number, because the mean of its divisors is an integer number (7556685735348).

Almost surely, 2^{30221231130121} is an apocalyptic number.

It is an amenable number.

30221231130121 is a deficient number, since it is larger than the sum of its proper divisors (5511811271).

30221231130121 is an equidigital number, since it uses as much as digits as its factorization.

30221231130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511811270.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30221231130121 its reverse (12103113212203), we get a palindrome (42324344342324).

The spelling of 30221231130121 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twenty-one".