111300030021 has 8 divisors (see below), whose sum is σ = 148401581920. Its totient is φ = 74199249072.

The previous prime is 111300029993. The next prime is 111300030071. The reversal of 111300030021 is 120030003111.

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

It is not a de Polignac number, because 111300030021 - 2¹⁵ = 111299997253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111300029979 and 111300030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111300030071) 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, 457806 + ... + 657408.

It is an arithmetic number, because the mean of its divisors is an integer number (18550197740).

Almost surely, 2^111300030021 is an apocalyptic number.

It is an amenable number.

111300030021 is a deficient number, since it is larger than the sum of its proper divisors (37101551899).

111300030021 is a wasteful number, since it uses less digits than its factorization.

111300030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385475.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 111300030021 its reverse (120030003111), we get a palindrome (231330033132).

The spelling of 111300030021 in words is "one hundred eleven billion, three hundred million, thirty thousand, twenty-one".