122210211 has 8 divisors (see below), whose sum is σ = 165379264. Its totient is φ = 80257320.

The previous prime is 122210191. The next prime is 122210227. The reversal of 122210211 is 112012221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122210211 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122210251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303805 + ... + 304206.

It is an arithmetic number, because the mean of its divisors is an integer number (20672408).

Almost surely, 2^122210211 is an apocalyptic number.

122210211 is a deficient number, since it is larger than the sum of its proper divisors (43169053).

122210211 is an equidigital number, since it uses as much as digits as its factorization.

122210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608081.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 122210211 is about 11054.8727265401. The cubic root of 122210211 is about 496.2522604148.

Adding to 122210211 its reverse (112012221), we get a palindrome (234222432).

The spelling of 122210211 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred eleven".