111211021223041 has 2 divisors, whose sum is σ = 111211021223042. Its totient is φ = 111211021223040.

The previous prime is 111211021223033. The next prime is 111211021223119. The reversal of 111211021223041 is 140322120112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101068840890000 + 10142180333041 = 10053300^2 + 3184679^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211021223041 - 2³ = 111211021223033 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211021223641) 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 as a sum of consecutive naturals, namely, 55605510611520 + 55605510611521.

It is an arithmetic number, because the mean of its divisors is an integer number (55605510611521).

Almost surely, 2^{111211021223041} is an apocalyptic number.

It is an amenable number.

111211021223041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211021223041 is an equidigital number, since it uses as much as digits as its factorization.

111211021223041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 111211021223041 its reverse (140322120112111), we get a palindrome (251533141335152).

The spelling of 111211021223041 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-one million, two hundred twenty-three thousand, forty-one".