22143211223211 has 32 divisors (see below), whose sum is σ = 35328800485440. Its totient is φ = 13626360000000.

The previous prime is 22143211223209. The next prime is 22143211223239. The reversal of 22143211223211 is 11232211234122.

22143211223211 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 321 + 12 + 2 + 321 + 1 = 666.

It is not a de Polignac number, because 22143211223211 - 2¹ = 22143211223209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22143211223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21433171 + ... + 22442531.

It is an arithmetic number, because the mean of its divisors is an integer number (1104025015170).

Almost surely, 2^{22143211223211} is an apocalyptic number.

22143211223211 is a deficient number, since it is larger than the sum of its proper divisors (13185589262229).

22143211223211 is a wasteful number, since it uses less digits than its factorization.

22143211223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071884 (or 1071878 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 22143211223211 its reverse (11232211234122), we get a palindrome (33375422457333).

The spelling of 22143211223211 in words is "twenty-two trillion, one hundred forty-three billion, two hundred eleven million, two hundred twenty-three thousand, two hundred eleven".