123300110221 has 4 divisors (see below), whose sum is σ = 123366366844. Its totient is φ = 123233853600.

The previous prime is 123300110183. The next prime is 123300110239. The reversal of 123300110221 is 122011003321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162282121 + 123137828100 = 12739^2 + 350910^2 .

It is a cyclic number.

It is not a de Polignac number, because 123300110221 - 2¹⁷ = 123299979149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123300110195 and 123300110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300110261) 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, 33125520 + ... + 33129241.

It is an arithmetic number, because the mean of its divisors is an integer number (30841591711).

Almost surely, 2^123300110221 is an apocalyptic number.

It is an amenable number.

123300110221 is a deficient number, since it is larger than the sum of its proper divisors (66256623).

123300110221 is an equidigital number, since it uses as much as digits as its factorization.

123300110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66256622.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123300110221 its reverse (122011003321), we get a palindrome (245311113542).

The spelling of 123300110221 in words is "one hundred twenty-three billion, three hundred million, one hundred ten thousand, two hundred twenty-one".