300111021112 has 48 divisors (see below), whose sum is σ = 646448901840. Its totient is φ = 127951699968.

The previous prime is 300111021107. The next prime is 300111021113. The reversal of 300111021112 is 211120111003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 300111021092 and 300111021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300111021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2014008 + ... + 2157880.

It is an arithmetic number, because the mean of its divisors is an integer number (13467685455).

Almost surely, 2^300111021112 is an apocalyptic number.

It is an amenable number.

300111021112 is an abundant number, since it is smaller than the sum of its proper divisors (346337880728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300111021112 is a wasteful number, since it uses less digits than its factorization.

300111021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144272 (or 144075 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 300111021112 its reverse (211120111003), we get a palindrome (511231132115).

The spelling of 300111021112 in words is "three hundred billion, one hundred eleven million, twenty-one thousand, one hundred twelve".