111310221041 has 2 divisors, whose sum is σ = 111310221042. Its totient is φ = 111310221040.

The previous prime is 111310220941. The next prime is 111310221059. The reversal of 111310221041 is 140122013111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89637964816 + 21672256225 = 299396^2 + 147215^2 .

It is a cyclic number.

It is not a de Polignac number, because 111310221041 - 2¹⁴ = 111310204657 is a prime.

It is not a weakly prime, because it can be changed into another prime (111310221541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655110520 + 55655110521.

It is an arithmetic number, because the mean of its divisors is an integer number (55655110521).

Almost surely, 2^111310221041 is an apocalyptic number.

It is an amenable number.

111310221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310221041 is an equidigital number, since it uses as much as digits as its factorization.

111310221041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111310221041 its reverse (140122013111), we get a palindrome (251432234152).

The spelling of 111310221041 in words is "one hundred eleven billion, three hundred ten million, two hundred twenty-one thousand, forty-one".