102199211 has 4 divisors (see below), whose sum is σ = 104127552. Its totient is φ = 100270872.

The previous prime is 102199199. The next prime is 102199213. The reversal of 102199211 is 112991201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112991201 = 223 ⋅506687.

It is a cyclic number.

It is not a de Polignac number, because 102199211 - 2⁶ = 102199147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102199213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964091 + ... + 964196.

It is an arithmetic number, because the mean of its divisors is an integer number (26031888).

Almost surely, 2^102199211 is an apocalyptic number.

102199211 is a deficient number, since it is larger than the sum of its proper divisors (1928341).

102199211 is an equidigital number, since it uses as much as digits as its factorization.

102199211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928340.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 102199211 is about 10109.3625417234. The cubic root of 102199211 is about 467.5368512611.

The spelling of 102199211 in words is "one hundred two million, one hundred ninety-nine thousand, two hundred eleven".