111120100241 has 2 divisors, whose sum is σ = 111120100242. Its totient is φ = 111120100240.

The previous prime is 111120100183. The next prime is 111120100319. The reversal of 111120100241 is 142001021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100235560000 + 10884540241 = 316600^2 + 104329^2 .

It is an emirp because it is prime and its reverse (142001021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111120100241 - 2¹⁰ = 111120099217 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120100141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560050120 + 55560050121.

It is an arithmetic number, because the mean of its divisors is an integer number (55560050121).

Almost surely, 2^111120100241 is an apocalyptic number.

It is an amenable number.

111120100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120100241 is an equidigital number, since it uses as much as digits as its factorization.

111120100241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111120100241 its reverse (142001021111), we get a palindrome (253121121352).

The spelling of 111120100241 in words is "one hundred eleven billion, one hundred twenty million, one hundred thousand, two hundred forty-one".