221150112 has 48 divisors (see below), whose sum is σ = 584730720. Its totient is φ = 73181952.

The previous prime is 221150107. The next prime is 221150117. The reversal of 221150112 is 211051122.

It is an interprime number because it is at equal distance from previous prime (221150107) and next prime (221150117).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×221150112² = 97814744075225088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221150091 and 221150100.

It is not an unprimeable number, because it can be changed into a prime (221150117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (12181890).

Almost surely, 2^221150112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221150112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292365360).

221150112 is an abundant number, since it is smaller than the sum of its proper divisors (363580608).

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

221150112 is a wasteful number, since it uses less digits than its factorization.

221150112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725 (or 16717 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 221150112 is about 14871.1167031935. The cubic root of 221150112 is about 604.7312168074.

The spelling of 221150112 in words is "two hundred twenty-one million, one hundred fifty thousand, one hundred twelve".