2122211211 has 8 divisors (see below), whose sum is σ = 2829900864. Its totient is φ = 1414664520.

The previous prime is 2122211197. The next prime is 2122211243. The reversal of 2122211211 is 1121122212.

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

It is not a de Polignac number, because 2122211211 - 2⁷ = 2122211083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122211261) 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, 5796 + ... + 65406.

It is an arithmetic number, because the mean of its divisors is an integer number (353737608).

Almost surely, 2^2122211211 is an apocalyptic number.

2122211211 is a deficient number, since it is larger than the sum of its proper divisors (707689653).

2122211211 is a wasteful number, since it uses less digits than its factorization.

2122211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71481.

The product of its digits is 32, while the sum is 15.

The square root of 2122211211 is about 46067.4636918509. The cubic root of 2122211211 is about 1285.0781364267.

Adding to 2122211211 its reverse (1121122212), we get a palindrome (3243333423).

The spelling of 2122211211 in words is "two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".