321111121241 has 4 divisors (see below), whose sum is σ = 321112258512. Its totient is φ = 321109983972.

The previous prime is 321111121217. The next prime is 321111121273. The reversal of 321111121241 is 142121111123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321111121241 - 2¹⁰ = 321111120217 is a prime.

It is a super-2 number, since 2×321111121241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321111121841) 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, 213410 + ... + 829316.

It is an arithmetic number, because the mean of its divisors is an integer number (80278064628).

Almost surely, 2^321111121241 is an apocalyptic number.

It is an amenable number.

321111121241 is a deficient number, since it is larger than the sum of its proper divisors (1137271).

321111121241 is an equidigital number, since it uses as much as digits as its factorization.

321111121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137270.

The product of its digits is 96, while the sum is 20.

Adding to 321111121241 its reverse (142121111123), we get a palindrome (463232232364).

The spelling of 321111121241 in words is "three hundred twenty-one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred forty-one".