201102115 has 16 divisors (see below), whose sum is σ = 249891840. Its totient is φ = 155201760.

The previous prime is 201102103. The next prime is 201102119. The reversal of 201102115 is 511201102.

It is not a de Polignac number, because 201102115 - 2⁷ = 201101987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201102095 and 201102104.

It is not an unprimeable number, because it can be changed into a prime (201102119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51916 + ... + 55654.

It is an arithmetic number, because the mean of its divisors is an integer number (15618240).

Almost surely, 2^201102115 is an apocalyptic number.

201102115 is a deficient number, since it is larger than the sum of its proper divisors (48789725).

201102115 is a wasteful number, since it uses less digits than its factorization.

201102115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

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

The square root of 201102115 is about 14181.0477398534. The cubic root of 201102115 is about 585.8757817754.

Adding to 201102115 its reverse (511201102), we get a palindrome (712303217).

The spelling of 201102115 in words is "two hundred one million, one hundred two thousand, one hundred fifteen".