2012122210211 has 4 divisors (see below), whose sum is σ = 2099605784592. Its totient is φ = 1924638635832.

The previous prime is 2012122210207. The next prime is 2012122210243. The reversal of 2012122210211 is 1120122212102.

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 2012122210211 - 2² = 2012122210207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012122210211.

It is not an unprimeable number, because it can be changed into a prime (2012122210291) 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, 43741787156 + ... + 43741787201.

It is an arithmetic number, because the mean of its divisors is an integer number (524901446148).

Almost surely, 2^{2012122210211} is an apocalyptic number.

2012122210211 is a deficient number, since it is larger than the sum of its proper divisors (87483574381).

2012122210211 is an equidigital number, since it uses as much as digits as its factorization.

2012122210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87483574380.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2012122210211 its reverse (1120122212102), we get a palindrome (3132244422313).

The spelling of 2012122210211 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred eleven".