321121020121123 has 8 divisors (see below), whose sum is σ = 327895996158288. Its totient is φ = 314410261866624.

The previous prime is 321121020121117. The next prime is 321121020121147.

It is a happy number.

321121020121123 is nontrivially palindromic in base 10.

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 321121020121123 - 2¹³ = 321121020112931 is a prime.

It is a super-2 number, since 2×321121020121123² (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 = 321121020121094 and 321121020121103.

It is not an unprimeable number, because it can be changed into a prime (321121020121423) 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, 16054435561 + ... + 16054455562.

It is an arithmetic number, because the mean of its divisors is an integer number (40986999519786).

Almost surely, 2^{321121020121123} is an apocalyptic number.

321121020121123 is a deficient number, since it is larger than the sum of its proper divisors (6774976037165).

321121020121123 is a wasteful number, since it uses less digits than its factorization.

321121020121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32108891333.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 321121020121123 in words is "three hundred twenty-one trillion, one hundred twenty-one billion, twenty million, one hundred twenty-one thousand, one hundred twenty-three".