102205101 has 8 divisors (see below), whose sum is σ = 136321504. Its totient is φ = 68112720.

The previous prime is 102205097. The next prime is 102205111. The reversal of 102205101 is 101502201.

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

It is not a de Polignac number, because 102205101 - 2² = 102205097 is a prime.

It is a super-3 number, since 3×102205101³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102205111) 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, 10086 + ... + 17496.

It is an arithmetic number, because the mean of its divisors is an integer number (17040188).

Almost surely, 2^102205101 is an apocalyptic number.

It is an amenable number.

102205101 is a deficient number, since it is larger than the sum of its proper divisors (34116403).

102205101 is an equidigital number, since it uses as much as digits as its factorization.

102205101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 102205101 is about 10109.6538516410. The cubic root of 102205101 is about 467.5458328672.

Adding to 102205101 its reverse (101502201), we get a palindrome (203707302).

The spelling of 102205101 in words is "one hundred two million, two hundred five thousand, one hundred one".