2212110022211 has 4 divisors (see below), whose sum is σ = 2212412767992. Its totient is φ = 2211807276432.

The previous prime is 2212110022183. The next prime is 2212110022223. The reversal of 2212110022211 is 1122200112122.

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 2212110022211 - 2²⁶ = 2212042913347 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 2212110022211.

It is not an unprimeable number, because it can be changed into a prime (2212110022511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151361930 + ... + 151376543.

It is an arithmetic number, because the mean of its divisors is an integer number (553103191998).

Almost surely, 2^{2212110022211} is an apocalyptic number.

2212110022211 is a deficient number, since it is larger than the sum of its proper divisors (302745781).

2212110022211 is an equidigital number, since it uses as much as digits as its factorization.

2212110022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302745780.

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

Adding to 2212110022211 its reverse (1122200112122), we get a palindrome (3334310134333).

The spelling of 2212110022211 in words is "two trillion, two hundred twelve billion, one hundred ten million, twenty-two thousand, two hundred eleven".