223012142521111 has 2 divisors, whose sum is σ = 223012142521112. Its totient is φ = 223012142521110.

The previous prime is 223012142521097. The next prime is 223012142521171. The reversal of 223012142521111 is 111125241210322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223012142521111 - 2³¹ = 223009995037463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223012142521111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223012142521171) 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 as a sum of consecutive naturals, namely, 111506071260555 + 111506071260556.

It is an arithmetic number, because the mean of its divisors is an integer number (111506071260556).

Almost surely, 2^{223012142521111} is an apocalyptic number.

223012142521111 is a deficient number, since it is larger than the sum of its proper divisors (1).

223012142521111 is an equidigital number, since it uses as much as digits as its factorization.

223012142521111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 223012142521111 its reverse (111125241210322), we get a palindrome (334137383731433).

The spelling of 223012142521111 in words is "two hundred twenty-three trillion, twelve billion, one hundred forty-two million, five hundred twenty-one thousand, one hundred eleven".