321112312221003 has 4 divisors (see below), whose sum is σ = 428149749628008. Its totient is φ = 214074874814000.

The previous prime is 321112312220977. The next prime is 321112312221023. The reversal of 321112312221003 is 300122213211123.

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 321112312221003 - 2³⁰ = 321111238479179 is a prime.

It is a super-2 number, since 2×321112312221003² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321112312221023) 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, 53518718703498 + ... + 53518718703503.

It is an arithmetic number, because the mean of its divisors is an integer number (107037437407002).

Almost surely, 2^{321112312221003} is an apocalyptic number.

321112312221003 is a deficient number, since it is larger than the sum of its proper divisors (107037437407005).

321112312221003 is a wasteful number, since it uses less digits than its factorization.

321112312221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107037437407004.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321112312221003 its reverse (300122213211123), we get a palindrome (621234525432126).

The spelling of 321112312221003 in words is "three hundred twenty-one trillion, one hundred twelve billion, three hundred twelve million, two hundred twenty-one thousand, three".