21123223211119 has 8 divisors (see below), whose sum is σ = 21174935554080. Its totient is φ = 21071574050016.

The previous prime is 21123223211107. The next prime is 21123223211201. The reversal of 21123223211119 is 91111232232112.

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 21123223211119 - 2³⁵ = 21088863472751 is a prime.

It is a super-2 number, since 2×21123223211119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21123223211719) 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, 15125964 + ... + 16463329.

It is an arithmetic number, because the mean of its divisors is an integer number (2646866944260).

Almost surely, 2^{21123223211119} is an apocalyptic number.

21123223211119 is a deficient number, since it is larger than the sum of its proper divisors (51712342961).

21123223211119 is an equidigital number, since it uses as much as digits as its factorization.

21123223211119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31590929.

The product of its digits is 2592, while the sum is 31.

The spelling of 21123223211119 in words is "twenty-one trillion, one hundred twenty-three billion, two hundred twenty-three million, two hundred eleven thousand, one hundred nineteen".