102201115 has 8 divisors (see below), whose sum is σ = 124194240. Its totient is φ = 80725632.

The previous prime is 102201109. The next prime is 102201149. The reversal of 102201115 is 511102201.

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 102201115 - 2⁵ = 102201083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102201095 and 102201104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128974 + ... + 129763.

It is an arithmetic number, because the mean of its divisors is an integer number (15524280).

Almost surely, 2^102201115 is an apocalyptic number.

102201115 is a deficient number, since it is larger than the sum of its proper divisors (21993125).

102201115 is an equidigital number, since it uses as much as digits as its factorization.

102201115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258821.

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

The square root of 102201115 is about 10109.4567114163. The cubic root of 102201115 is about 467.5397546907.

Adding to 102201115 its reverse (511102201), we get a palindrome (613303316).

The spelling of 102201115 in words is "one hundred two million, two hundred one thousand, one hundred fifteen".