211222022222123 has 8 divisors (see below), whose sum is σ = 231388141501440. Its totient is φ = 191216589152680.

The previous prime is 211222022222039. The next prime is 211222022222161. The reversal of 211222022222123 is 321222220222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211222022222123 - 2³⁴ = 211204842352939 is a prime.

It is a super-2 number, since 2×211222022222123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222022222092 and 211222022222101.

It is not an unprimeable number, because it can be changed into a prime (211222022222023) 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 7 ways as a sum of consecutive naturals, for example, 40171549715 + ... + 40171554972.

It is an arithmetic number, because the mean of its divisors is an integer number (28923517687680).

Almost surely, 2^{211222022222123} is an apocalyptic number.

211222022222123 is a deficient number, since it is larger than the sum of its proper divisors (20166119279317).

211222022222123 is a wasteful number, since it uses less digits than its factorization.

211222022222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80343104937.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211222022222123 its reverse (321222220222112), we get a palindrome (532444242444235).

The spelling of 211222022222123 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-three".