223220111001 has 32 divisors (see below), whose sum is σ = 306830361600. Its totient is φ = 144243011520.

The previous prime is 223220110999. The next prime is 223220111011. The reversal of 223220111001 is 100111022322.

It is not a de Polignac number, because 223220111001 - 2¹ = 223220110999 is a prime.

It is a super-3 number, since 3×223220111001³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223220111011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51442890 + ... + 51447228.

It is an arithmetic number, because the mean of its divisors is an integer number (9588448800).

Almost surely, 2^223220111001 is an apocalyptic number.

It is an amenable number.

223220111001 is a deficient number, since it is larger than the sum of its proper divisors (83610250599).

223220111001 is a wasteful number, since it uses less digits than its factorization.

223220111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 223220111001 its reverse (100111022322), we get a palindrome (323331133323).

The spelling of 223220111001 in words is "two hundred twenty-three billion, two hundred twenty million, one hundred eleven thousand, one".