3000111021 has 8 divisors (see below), whose sum is σ = 4444608960. Its totient is φ = 2000073996.

The previous prime is 3000110983. The next prime is 3000111109. The reversal of 3000111021 is 1201110003.

It is not a de Polignac number, because 3000111021 - 2¹¹ = 3000108973 is a prime.

It is a super-2 number, since 2×3000111021² = 18001332276651324882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3000110994 and 3000111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000111721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55557585 + ... + 55557638.

It is an arithmetic number, because the mean of its divisors is an integer number (555576120).

Almost surely, 2^3000111021 is an apocalyptic number.

It is an amenable number.

3000111021 is a deficient number, since it is larger than the sum of its proper divisors (1444497939).

3000111021 is a wasteful number, since it uses less digits than its factorization.

3000111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111115232 (or 111115226 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 3000111021 is about 54773.2692195746. The cubic root of 3000111021 is about 1442.2673611979.

Adding to 3000111021 its reverse (1201110003), we get a palindrome (4201221024).

The spelling of 3000111021 in words is "three billion, one hundred eleven thousand, twenty-one".