102210201211 has 4 divisors (see below), whose sum is σ = 102822238512. Its totient is φ = 101598163912.

The previous prime is 102210201199. The next prime is 102210201221. The reversal of 102210201211 is 112102012201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112102012201 = 41467 ⋅2703403.

It is a cyclic number.

It is not a de Polignac number, because 102210201211 - 2⁷ = 102210201083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102210201191 and 102210201200.

It is not an unprimeable number, because it can be changed into a prime (102210201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306018400 + ... + 306018733.

It is an arithmetic number, because the mean of its divisors is an integer number (25705559628).

Almost surely, 2^102210201211 is an apocalyptic number.

102210201211 is a deficient number, since it is larger than the sum of its proper divisors (612037301).

102210201211 is an equidigital number, since it uses as much as digits as its factorization.

102210201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612037300.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102210201211 its reverse (112102012201), we get a palindrome (214312213412).

The spelling of 102210201211 in words is "one hundred two billion, two hundred ten million, two hundred one thousand, two hundred eleven".