21331112301123 has 8 divisors (see below), whose sum is σ = 29210171799888. Its totient is φ = 13836397168224.

The previous prime is 21331112301113. The next prime is 21331112301133. The reversal of 21331112301123 is 32110321113312.

It is an interprime number because it is at equal distance from previous prime (21331112301113) and next prime (21331112301133).

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

It is not a de Polignac number, because 21331112301123 - 2⁸ = 21331112300867 is a prime.

It is a super-2 number, since 2×21331112301123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21331112301093 and 21331112301102.

It is not an unprimeable number, because it can be changed into a prime (21331112301113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96086091336 + ... + 96086091557.

It is an arithmetic number, because the mean of its divisors is an integer number (3651271474986).

Almost surely, 2^{21331112301123} is an apocalyptic number.

21331112301123 is a deficient number, since it is larger than the sum of its proper divisors (7879059498765).

21331112301123 is a wasteful number, since it uses less digits than its factorization.

21331112301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192172182933.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 21331112301123 its reverse (32110321113312), we get a palindrome (53441433414435).

The spelling of 21331112301123 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred twelve million, three hundred one thousand, one hundred twenty-three".