223031202011 has 4 divisors (see below), whose sum is σ = 227239337952. Its totient is φ = 218823066072.

The previous prime is 223031201959. The next prime is 223031202047. The reversal of 223031202011 is 110202130322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110202130322 = 2 ⋅55101065161.

It is a cyclic number.

It is not a de Polignac number, because 223031202011 - 2³⁰ = 221957460187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031202091) 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, 2104067891 + ... + 2104067996.

It is an arithmetic number, because the mean of its divisors is an integer number (56809834488).

Almost surely, 2^223031202011 is an apocalyptic number.

223031202011 is a deficient number, since it is larger than the sum of its proper divisors (4208135941).

223031202011 is an equidigital number, since it uses as much as digits as its factorization.

223031202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208135940.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223031202011 its reverse (110202130322), we get a palindrome (333233332333).

The spelling of 223031202011 in words is "two hundred twenty-three billion, thirty-one million, two hundred two thousand, eleven".