102205211 has 8 divisors (see below), whose sum is σ = 105365184. Its totient is φ = 99066240.

The previous prime is 102205189. The next prime is 102205247. The reversal of 102205211 is 112502201.

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 102205211 - 2²² = 98010907 is a prime.

It is a Duffinian 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, 4931 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (13170648).

Almost surely, 2^102205211 is an apocalyptic number.

102205211 is a deficient number, since it is larger than the sum of its proper divisors (3159973).

102205211 is a wasteful number, since it uses less digits than its factorization.

102205211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 102205211 is about 10109.6592919841. The cubic root of 102205211 is about 467.5460006019.

Adding to 102205211 its reverse (112502201), we get a palindrome (214707412).

The spelling of 102205211 in words is "one hundred two million, two hundred five thousand, two hundred eleven".