2122210011211 has 4 divisors (see below), whose sum is σ = 2195389666800. Its totient is φ = 2049030355624.

The previous prime is 2122210011197. The next prime is 2122210011217. The reversal of 2122210011211 is 1121100122212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122210011211 - 2⁵ = 2122210011179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122210011217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36589827751 + ... + 36589827808.

It is an arithmetic number, because the mean of its divisors is an integer number (548847416700).

Almost surely, 2^{2122210011211} is an apocalyptic number.

2122210011211 is a deficient number, since it is larger than the sum of its proper divisors (73179655589).

2122210011211 is an equidigital number, since it uses as much as digits as its factorization.

2122210011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73179655588.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122210011211 its reverse (1121100122212), we get a palindrome (3243310133423).

It can be divided in two parts, 212221001 and 1211, that added together give a palindrome (212222212).

The spelling of 2122210011211 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, eleven thousand, two hundred eleven".