10221112 has 24 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 4645520.

The previous prime is 10221091. The next prime is 10221149. The reversal of 10221112 is 21112201.

It is a super-3 number, since 3×10221112³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4312 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (877800).

Almost surely, 2^10221112 is an apocalyptic number.

It is an amenable number.

10221112 is an abundant number, since it is smaller than the sum of its proper divisors (10846088).

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

10221112 is a wasteful number, since it uses less digits than its factorization.

10221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587 (or 10572 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10221112 is about 3197.0473878252. The cubic root of 10221112 is about 217.0198117357.

Adding to 10221112 its reverse (21112201), we get a palindrome (31333313).

It can be divided in two parts, 10 and 221112, that added together give a palindrome (221122).

The spelling of 10221112 in words is "ten million, two hundred twenty-one thousand, one hundred twelve".