321121101121123 has 4 divisors (see below), whose sum is σ = 321183105586840. Its totient is φ = 321059096655408.

The previous prime is 321121101121111. The next prime is 321121101121133.

321121101121123 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321121101121123 - 2¹⁷ = 321121100990051 is a prime.

It is a super-2 number, since 2×321121101121123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321121101121094 and 321121101121103.

It is not an unprimeable number, because it can be changed into a prime (321121101121133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31002225090 + ... + 31002235447.

It is an arithmetic number, because the mean of its divisors is an integer number (80295776396710).

Almost surely, 2^{321121101121123} is an apocalyptic number.

321121101121123 is a deficient number, since it is larger than the sum of its proper divisors (62004465717).

321121101121123 is an equidigital number, since it uses as much as digits as its factorization.

321121101121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62004465716.

The product of its (nonzero) digits is 144, while the sum is 22.

It can be divided in two parts, 32112110 and 1121123, that added together give a palindrome (33233233).

The spelling of 321121101121123 in words is "three hundred twenty-one trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-three".