112221099 has 32 divisors (see below), whose sum is σ = 171452160. Its totient is φ = 72503424.

The previous prime is 112221077. The next prime is 112221113. The reversal of 112221099 is 990122211.

It is not a de Polignac number, because 112221099 - 2¹³ = 112212907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (112223099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188947 + ... + 189539.

It is an arithmetic number, because the mean of its divisors is an integer number (5357880).

Almost surely, 2^112221099 is an apocalyptic number.

112221099 is a deficient number, since it is larger than the sum of its proper divisors (59231061).

112221099 is a wasteful number, since it uses less digits than its factorization.

112221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 112221099 is about 10593.4460398871. The cubic root of 112221099 is about 482.3454348446.

It can be divided in two parts, 11222 and 1099, that added together give a palindrome (12321).

The spelling of 112221099 in words is "one hundred twelve million, two hundred twenty-one thousand, ninety-nine".