223111011321011 has 16 divisors (see below), whose sum is σ = 256204973980800. Its totient is φ = 192152317723200.

The previous prime is 223111011320987. The next prime is 223111011321013. The reversal of 223111011321011 is 110123110111322.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223111011321011 is a prime.

It is a super-3 number, since 3×223111011321011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223111011321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59643191 + ... + 63273471.

It is an arithmetic number, because the mean of its divisors is an integer number (16012810873800).

Almost surely, 2^{223111011321011} is an apocalyptic number.

223111011321011 is a deficient number, since it is larger than the sum of its proper divisors (33093962659789).

223111011321011 is a wasteful number, since it uses less digits than its factorization.

223111011321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924370.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 223111011321011 its reverse (110123110111322), we get a palindrome (333234121432333).

The spelling of 223111011321011 in words is "two hundred twenty-three trillion, one hundred eleven billion, eleven million, three hundred twenty-one thousand, eleven".