321121323121123 has 12 divisors (see below), whose sum is σ = 373713926057760. Its totient is φ = 275125540736592.

The previous prime is 321121323121121. The next prime is 321121323121141.

321121323121123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321121323121123 - 2¹ = 321121323121121 is a prime.

It is a super-2 number, since 2×321121323121123² (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 = 321121323121091 and 321121323121100.

It is not an unprimeable number, because it can be changed into a prime (321121323121121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444026411 + ... + 1444248772.

It is an arithmetic number, because the mean of its divisors is an integer number (31142827171480).

Almost surely, 2^{321121323121123} is an apocalyptic number.

321121323121123 is a deficient number, since it is larger than the sum of its proper divisors (52592602936637).

321121323121123 is a wasteful number, since it uses less digits than its factorization.

321121323121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888277466 (or 2888277459 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The spelling of 321121323121123 in words is "three hundred twenty-one trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-three".