102211165 has 16 divisors (see below), whose sum is σ = 147553920. Its totient is φ = 66398400.

The previous prime is 102211163. The next prime is 102211199. The reversal of 102211165 is 561112201.

It is not a de Polignac number, because 102211165 - 2¹ = 102211163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211163) 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, 76186 + ... + 77515.

It is an arithmetic number, because the mean of its divisors is an integer number (9222120).

Almost surely, 2^102211165 is an apocalyptic number.

It is an amenable number.

102211165 is a deficient number, since it is larger than the sum of its proper divisors (45342755).

102211165 is a wasteful number, since it uses less digits than its factorization.

102211165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153732.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 102211165 is about 10109.9537585490. The cubic root of 102211165 is about 467.5550794437. Note that the first 3 decimals are identical.

Adding to 102211165 its reverse (561112201), we get a palindrome (663323366).

The spelling of 102211165 in words is "one hundred two million, two hundred eleven thousand, one hundred sixty-five".