102230211 has 4 divisors (see below), whose sum is σ = 136306952. Its totient is φ = 68153472.

The previous prime is 102230207. The next prime is 102230237. The reversal of 102230211 is 112032201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102230211 - 2² = 102230207 is a prime.

It is a super-2 number, since 2×102230211² = 20902032082209042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102230251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17038366 + ... + 17038371.

It is an arithmetic number, because the mean of its divisors is an integer number (34076738).

Almost surely, 2^102230211 is an apocalyptic number.

102230211 is a deficient number, since it is larger than the sum of its proper divisors (34076741).

102230211 is an equidigital number, since it uses as much as digits as its factorization.

102230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34076740.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102230211 is about 10110.8956576557. The cubic root of 102230211 is about 467.5841190011.

Adding to 102230211 its reverse (112032201), we get a palindrome (214262412).

The spelling of 102230211 in words is "one hundred two million, two hundred thirty thousand, two hundred eleven".