30221321211121 has 32 divisors (see below), whose sum is σ = 31881812751360. Its totient is φ = 28607106528000.

The previous prime is 30221321211089. The next prime is 30221321211131. The reversal of 30221321211121 is 12111212312203.

It is a happy number.

It is not a de Polignac number, because 30221321211121 - 2⁵ = 30221321211089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221321211092 and 30221321211101.

It is not an unprimeable number, because it can be changed into a prime (30221321211131) 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, 2022974070 + ... + 2022989008.

It is an arithmetic number, because the mean of its divisors is an integer number (996306648480).

Almost surely, 2^{30221321211121} is an apocalyptic number.

30221321211121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30221321211121 is a deficient number, since it is larger than the sum of its proper divisors (1660491540239).

30221321211121 is a wasteful number, since it uses less digits than its factorization.

30221321211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 30221321211121 its reverse (12111212312203), we get a palindrome (42332533523324).

The spelling of 30221321211121 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".