30113111021 has 8 divisors (see below), whose sum is σ = 34452439680. Its totient is φ = 25783146288.

The previous prime is 30113110991. The next prime is 30113111029. The reversal of 30113111021 is 12011131103.

It is a happy number.

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 30113111021 - 2¹⁰ = 30113109997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30113110987 and 30113111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334086 + ... + 2346951.

It is an arithmetic number, because the mean of its divisors is an integer number (4306554960).

Almost surely, 2^30113111021 is an apocalyptic number.

It is an amenable number.

30113111021 is a deficient number, since it is larger than the sum of its proper divisors (4339328659).

30113111021 is an equidigital number, since it uses as much as digits as its factorization.

30113111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681963.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 30113111021 its reverse (12011131103), we get a palindrome (42124242124).

The spelling of 30113111021 in words is "thirty billion, one hundred thirteen million, one hundred eleven thousand, twenty-one".