122211211 has 8 divisors (see below), whose sum is σ = 129658880. Its totient is φ = 114865128.

The previous prime is 122211209. The next prime is 122211217. The reversal of 122211211 is 112112221.

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

It is a cyclic number.

It is not a de Polignac number, because 122211211 - 2¹ = 122211209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122211191 and 122211200.

It is not an unprimeable number, because it can be changed into a prime (122211217) 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, 22911 + ... + 27736.

It is an arithmetic number, because the mean of its divisors is an integer number (16207360).

Almost surely, 2^122211211 is an apocalyptic number.

122211211 is a deficient number, since it is larger than the sum of its proper divisors (7447669).

122211211 is a wasteful number, since it uses less digits than its factorization.

122211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50793.

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

The square root of 122211211 is about 11054.9179553717. The cubic root of 122211211 is about 496.2536139593.

Adding to 122211211 its reverse (112112221), we get a palindrome (234323432).

The spelling of 122211211 in words is "one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".