115220101 has 8 divisors (see below), whose sum is σ = 123819840. Its totient is φ = 106822848.

The previous prime is 115220071. The next prime is 115220113. The reversal of 115220101 is 101022511.

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 115220101 - 2⁵ = 115220069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220141) 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, 49441 + ... + 51718.

It is an arithmetic number, because the mean of its divisors is an integer number (15477480).

Almost surely, 2^115220101 is an apocalyptic number.

It is an amenable number.

115220101 is a deficient number, since it is larger than the sum of its proper divisors (8599739).

115220101 is a wasteful number, since it uses less digits than its factorization.

115220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101243.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 115220101 is about 10734.0626512053. The cubic root of 115220101 is about 486.6044585422.

Adding to 115220101 its reverse (101022511), we get a palindrome (216242612).

The spelling of 115220101 in words is "one hundred fifteen million, two hundred twenty thousand, one hundred one".