123042221101 has 8 divisors (see below), whose sum is σ = 128432473920. Its totient is φ = 117655350912.

The previous prime is 123042221083. The next prime is 123042221111. The reversal of 123042221101 is 101122240321.

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 123042221101 - 2²⁹ = 122505350189 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 (123042221111) 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, 771175 + ... + 916948.

It is an arithmetic number, because the mean of its divisors is an integer number (16054059240).

Almost surely, 2^123042221101 is an apocalyptic number.

It is an amenable number.

123042221101 is a deficient number, since it is larger than the sum of its proper divisors (5390252819).

123042221101 is a wasteful number, since it uses less digits than its factorization.

123042221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691315.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123042221101 its reverse (101122240321), we get a palindrome (224164461422).

The spelling of 123042221101 in words is "one hundred twenty-three billion, forty-two million, two hundred twenty-one thousand, one hundred one".