220001123101 has 4 divisors (see below), whose sum is σ = 231580129600. Its totient is φ = 208422116604.

The previous prime is 220001123099. The next prime is 220001123117. The reversal of 220001123101 is 101321100022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220001123101 - 2¹ = 220001123099 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 (220001123701) 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, 5789503221 + ... + 5789503258.

It is an arithmetic number, because the mean of its divisors is an integer number (57895032400).

Almost surely, 2^220001123101 is an apocalyptic number.

It is an amenable number.

220001123101 is a deficient number, since it is larger than the sum of its proper divisors (11579006499).

220001123101 is a wasteful number, since it uses less digits than its factorization.

220001123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579006498.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220001123101 its reverse (101321100022), we get a palindrome (321322223123).

The spelling of 220001123101 in words is "two hundred twenty billion, one million, one hundred twenty-three thousand, one hundred one".