115110221 has 8 divisors (see below), whose sum is σ = 117515424. Its totient is φ = 112725360.

The previous prime is 115110217. The next prime is 115110257. The reversal of 115110221 is 122011511.

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

It is a cyclic number.

It is not a de Polignac number, because 115110221 - 2² = 115110217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115110196 and 115110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115110271) 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, 6626 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (14689428).

Almost surely, 2^115110221 is an apocalyptic number.

It is an amenable number.

115110221 is a deficient number, since it is larger than the sum of its proper divisors (2405203).

115110221 is an equidigital number, since it uses as much as digits as its factorization.

115110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 115110221 is about 10728.9431445972. The cubic root of 115110221 is about 486.4497254036.

Adding to 115110221 its reverse (122011511), we get a palindrome (237121732).

The spelling of 115110221 in words is "one hundred fifteen million, one hundred ten thousand, two hundred twenty-one".