105021112 has 32 divisors (see below), whose sum is σ = 229644000. Its totient is φ = 45007872.

The previous prime is 105021107. The next prime is 105021127. The reversal of 105021112 is 211120501.

It is a super-2 number, since 2×105021112² = 22058867931433088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105021092 and 105021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16393 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (7176375).

Almost surely, 2^105021112 is an apocalyptic number.

It is an amenable number.

105021112 is an abundant number, since it is smaller than the sum of its proper divisors (124622888).

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

105021112 is an equidigital number, since it uses as much as digits as its factorization.

105021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38300 (or 38282 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 105021112 is about 10247.9808742991. The cubic root of 105021112 is about 471.8010149461.

Adding to 105021112 its reverse (211120501), we get a palindrome (316141613).

The spelling of 105021112 in words is "one hundred five million, twenty-one thousand, one hundred twelve".