30111122232021 has 8 divisors (see below), whose sum is σ = 40152462913024. Its totient is φ = 20071931519520.

The previous prime is 30111122232011. The next prime is 30111122232041. The reversal of 30111122232021 is 12023222111103.

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

It is not a de Polignac number, because 30111122232021 - 2²¹ = 30111120134869 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 (30111122232001) 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, 537459445 + ... + 537515466.

It is an arithmetic number, because the mean of its divisors is an integer number (5019057864128).

Almost surely, 2^{30111122232021} is an apocalyptic number.

It is an amenable number.

30111122232021 is a deficient number, since it is larger than the sum of its proper divisors (10041340681003).

30111122232021 is a wasteful number, since it uses less digits than its factorization.

30111122232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074984251.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30111122232021 its reverse (12023222111103), we get a palindrome (42134344343124).

The spelling of 30111122232021 in words is "thirty trillion, one hundred eleven billion, one hundred twenty-two million, two hundred thirty-two thousand, twenty-one".