111310220941 has 2 divisors, whose sum is σ = 111310220942. Its totient is φ = 111310220940.

The previous prime is 111310220921. The next prime is 111310221041. The reversal of 111310220941 is 149022013111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87539056900 + 23771164041 = 295870^2 + 154179^2 .

It is a cyclic number.

It is not a de Polignac number, because 111310220941 - 2⁵ = 111310220909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111310220921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655110470 + 55655110471.

It is an arithmetic number, because the mean of its divisors is an integer number (55655110471).

Almost surely, 2^111310220941 is an apocalyptic number.

It is an amenable number.

111310220941 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310220941 is an equidigital number, since it uses as much as digits as its factorization.

111310220941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 111310220941 in words is "one hundred eleven billion, three hundred ten million, two hundred twenty thousand, nine hundred forty-one".