122200211 has 8 divisors (see below), whose sum is σ = 139935840. Its totient is φ = 104534208.

The previous prime is 122200189. The next prime is 122200217. The reversal of 122200211 is 112002221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122200211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200192 and 122200201.

It is not an unprimeable number, because it can be changed into a prime (122200217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13586 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (17491980).

Almost surely, 2^122200211 is an apocalyptic number.

122200211 is a deficient number, since it is larger than the sum of its proper divisors (17735629).

122200211 is an equidigital number, since it uses as much as digits as its factorization.

122200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34813.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122200211 is about 11054.4204280460. The cubic root of 122200211 is about 496.2387245628.

Adding to 122200211 its reverse (112002221), we get a palindrome (234202432).

The spelling of 122200211 in words is "one hundred twenty-two million, two hundred thousand, two hundred eleven".