123321112211 has 8 divisors (see below), whose sum is σ = 135864124848. Its totient is φ = 111000100000.

The previous prime is 123321112177. The next prime is 123321112253. The reversal of 123321112211 is 112211123321.

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 123321112211 - 2¹⁴ = 123321095827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55498940 + ... + 55501161.

It is an arithmetic number, because the mean of its divisors is an integer number (16983015606).

Almost surely, 2^123321112211 is an apocalyptic number.

123321112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123321112211 is a deficient number, since it is larger than the sum of its proper divisors (12543012637).

123321112211 is a wasteful number, since it uses less digits than its factorization.

123321112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111000213.

The product of its digits is 144, while the sum is 20.

Adding to 123321112211 its reverse (112211123321), we get a palindrome (235532235532).

It can be divided in two parts, 123321 and 112211, that added together give a palindrome (235532).

The spelling of 123321112211 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred twelve thousand, two hundred eleven".