223111320101 has 4 divisors (see below), whose sum is σ = 226441339872. Its totient is φ = 219781300332.

The previous prime is 223111320079. The next prime is 223111320137. The reversal of 223111320101 is 101023111322.

223111320101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223111320101 - 2¹⁰ = 223111319077 is a prime.

It is a super-3 number, since 3×223111320101³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223111320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223111320161) 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 3 ways as a sum of consecutive naturals, for example, 1665009785 + ... + 1665009918.

It is an arithmetic number, because the mean of its divisors is an integer number (56610334968).

Almost surely, 2^223111320101 is an apocalyptic number.

It is an amenable number.

223111320101 is a deficient number, since it is larger than the sum of its proper divisors (3330019771).

223111320101 is an equidigital number, since it uses as much as digits as its factorization.

223111320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330019770.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 223111320101 its reverse (101023111322), we get a palindrome (324134431423).

The spelling of 223111320101 in words is "two hundred twenty-three billion, one hundred eleven million, three hundred twenty thousand, one hundred one".