2101021112 has 16 divisors (see below), whose sum is σ = 4110693840. Its totient is φ = 1004836096.

The previous prime is 2101021073. The next prime is 2101021127. The reversal of 2101021112 is 2111201012.

It is a junction number, because it is equal to n+sod(n) for n = 2101021093 and 2101021102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5709113 + ... + 5709480.

It is an arithmetic number, because the mean of its divisors is an integer number (256918365).

Almost surely, 2^2101021112 is an apocalyptic number.

It is an amenable number.

2101021112 is a deficient number, since it is larger than the sum of its proper divisors (2009672728).

2101021112 is a wasteful number, since it uses less digits than its factorization.

2101021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418622 (or 11418618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2101021112 is about 45836.8968408639. The cubic root of 2101021112 is about 1280.7866892525.

Adding to 2101021112 its reverse (2111201012), we get a palindrome (4212222124).

The spelling of 2101021112 in words is "two billion, one hundred one million, twenty-one thousand, one hundred twelve".