110221212 has 48 divisors (see below), whose sum is σ = 264604032. Its totient is φ = 35689920.

The previous prime is 110221211. The next prime is 110221229. The reversal of 110221212 is 212122011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116662 + ... + 117602.

It is an arithmetic number, because the mean of its divisors is an integer number (5512584).

Almost surely, 2^110221212 is an apocalyptic number.

110221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110221212 is an abundant number, since it is smaller than the sum of its proper divisors (154382820).

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

110221212 is a wasteful number, since it uses less digits than its factorization.

110221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 110221212 is about 10498.6290533574. The cubic root of 110221212 is about 479.4629583900.

Adding to 110221212 its reverse (212122011), we get a palindrome (322343223).

The spelling of 110221212 in words is "one hundred ten million, two hundred twenty-one thousand, two hundred twelve".