112221097 has 8 divisors (see below), whose sum is σ = 122920200. Its totient is φ = 101977344.

The previous prime is 112221077. The next prime is 112221113. The reversal of 112221097 is 790122211.

It can be written as a sum of positive squares in 4 ways, for example, as 71503936 + 40717161 = 8456^2 + 6381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221097 is a prime.

It is a super-2 number, since 2×112221097² = 25187149223766818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112221017) 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, 113322 + ... + 114307.

It is an arithmetic number, because the mean of its divisors is an integer number (15365025).

Almost surely, 2^112221097 is an apocalyptic number.

112221097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

112221097 is a deficient number, since it is larger than the sum of its proper divisors (10699103).

112221097 is a wasteful number, since it uses less digits than its factorization.

112221097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227675.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 112221097 is about 10593.4459454891. The cubic root of 112221097 is about 482.3454319791.

The spelling of 112221097 in words is "one hundred twelve million, two hundred twenty-one thousand, ninety-seven".