123321103221 has 8 divisors (see below), whose sum is σ = 164441976160. Its totient is φ = 82207149552.

The previous prime is 123321103207. The next prime is 123321103223. The reversal of 123321103221 is 122301123321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123321103221 - 2¹¹ = 123321101173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321103223) 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, 1688086 + ... + 1759623.

It is an arithmetic number, because the mean of its divisors is an integer number (20555247020).

Almost surely, 2^123321103221 is an apocalyptic number.

It is an amenable number.

123321103221 is a deficient number, since it is larger than the sum of its proper divisors (41120872939).

123321103221 is a wasteful number, since it uses less digits than its factorization.

123321103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459635.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123321103221 its reverse (122301123321), we get a palindrome (245622226542).

The spelling of 123321103221 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred three thousand, two hundred twenty-one".