220100000123 has 8 divisors (see below), whose sum is σ = 224331367536. Its totient is φ = 215871541600.

The previous prime is 220100000111. The next prime is 220100000171. The reversal of 220100000123 is 321000001022.

It is a happy number.

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 220100000123 - 2¹⁰ = 220099999099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220100000723) 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, 574133 + ... + 877398.

It is an arithmetic number, because the mean of its divisors is an integer number (28041420942).

Almost surely, 2^220100000123 is an apocalyptic number.

220100000123 is a deficient number, since it is larger than the sum of its proper divisors (4231367413).

220100000123 is a wasteful number, since it uses less digits than its factorization.

220100000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454445.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 220100000123 its reverse (321000001022), we get a palindrome (541100001145).

The spelling of 220100000123 in words is "two hundred twenty billion, one hundred million, one hundred twenty-three", and thus it is an aban number.