3101112021 has 32 divisors (see below), whose sum is σ = 4779244800. Its totient is φ = 1751984640.

The previous prime is 3101112017. The next prime is 3101112031. The reversal of 3101112021 is 1202111013.

It is not a de Polignac number, because 3101112021 - 2² = 3101112017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3101111988 and 3101112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101112031) 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 31 ways as a sum of consecutive naturals, for example, 1301251 + ... + 1303631.

It is an arithmetic number, because the mean of its divisors is an integer number (149351400).

Almost surely, 2^3101112021 is an apocalyptic number.

It is an amenable number.

3101112021 is a deficient number, since it is larger than the sum of its proper divisors (1678132779).

3101112021 is a wasteful number, since it uses less digits than its factorization.

3101112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

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

The square root of 3101112021 is about 55687.6289762816. The cubic root of 3101112021 is about 1458.2740631048.

Adding to 3101112021 its reverse (1202111013), we get a palindrome (4303223034).

The spelling of 3101112021 in words is "three billion, one hundred one million, one hundred twelve thousand, twenty-one".