102213201 has 4 divisors (see below), whose sum is σ = 136284272. Its totient is φ = 68142132.

The previous prime is 102213191. The next prime is 102213227. The reversal of 102213201 is 102312201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102213201 - 2⁷ = 102213073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102213271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035531 + ... + 17035536.

It is an arithmetic number, because the mean of its divisors is an integer number (34071068).

Almost surely, 2^102213201 is an apocalyptic number.

It is an amenable number.

102213201 is a deficient number, since it is larger than the sum of its proper divisors (34071071).

102213201 is an equidigital number, since it uses as much as digits as its factorization.

102213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34071070.

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

The square root of 102213201 is about 10110.0544508919. The cubic root of 102213201 is about 467.5581839181.

Adding to 102213201 its reverse (102312201), we get a palindrome (204525402).

The spelling of 102213201 in words is "one hundred two million, two hundred thirteen thousand, two hundred one".