123101303221 has 16 divisors (see below), whose sum is σ = 139609536640. Its totient is φ = 107603899200.

The previous prime is 123101303219. The next prime is 123101303383. The reversal of 123101303221 is 122303101321.

It is a cyclic number.

It is not a de Polignac number, because 123101303221 - 2¹ = 123101303219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101333221) 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 15 ways as a sum of consecutive naturals, for example, 457696 + ... + 675046.

It is an arithmetic number, because the mean of its divisors is an integer number (8725596040).

Almost surely, 2^123101303221 is an apocalyptic number.

It is an amenable number.

123101303221 is a deficient number, since it is larger than the sum of its proper divisors (16508233419).

123101303221 is a wasteful number, since it uses less digits than its factorization.

123101303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219676.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123101303221 its reverse (122303101321), we get a palindrome (245404404542).

The spelling of 123101303221 in words is "one hundred twenty-three billion, one hundred one million, three hundred three thousand, two hundred twenty-one".