30112011221221 has 8 divisors (see below), whose sum is σ = 30418915567040. Its totient is φ = 29805386774112.

The previous prime is 30112011221219. The next prime is 30112011221249. The reversal of 30112011221221 is 12212211021103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30112011221221 - 2¹ = 30112011221219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112011221251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69758415 + ... + 70188748.

It is an arithmetic number, because the mean of its divisors is an integer number (3802364445880).

Almost surely, 2^{30112011221221} is an apocalyptic number.

It is an amenable number.

30112011221221 is a deficient number, since it is larger than the sum of its proper divisors (306904345819).

30112011221221 is a wasteful number, since it uses less digits than its factorization.

30112011221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139949355.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 30112011221221 its reverse (12212211021103), we get a palindrome (42324222242324).

The spelling of 30112011221221 in words is "thirty trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, two hundred twenty-one".