2223122121211 has 16 divisors (see below), whose sum is σ = 2377361285568. Its totient is φ = 2071493248000.

The previous prime is 2223122121179. The next prime is 2223122121287. The reversal of 2223122121211 is 1121212213222.

2223122121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2223122121211 - 2⁵ = 2223122121179 is a prime.

It is a super-2 number, since 2×2223122121211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2223122121511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32095626 + ... + 32164816.

It is an arithmetic number, because the mean of its divisors is an integer number (148585080348).

Almost surely, 2^{2223122121211} is an apocalyptic number.

2223122121211 is a deficient number, since it is larger than the sum of its proper divisors (154239164357).

2223122121211 is a wasteful number, since it uses less digits than its factorization.

2223122121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88022.

The product of its digits is 384, while the sum is 22.

Adding to 2223122121211 its reverse (1121212213222), we get a palindrome (3344334334433).

The spelling of 2223122121211 in words is "two trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".