111000400241 has 2 divisors, whose sum is σ = 111000400242. Its totient is φ = 111000400240.

The previous prime is 111000400183. The next prime is 111000400243. The reversal of 111000400241 is 142004000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67529818225 + 43470582016 = 259865^2 + 208496^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000400241 - 2²² = 110996205937 is a prime.

Together with 111000400243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111000400243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500200120 + 55500200121.

It is an arithmetic number, because the mean of its divisors is an integer number (55500200121).

Almost surely, 2^111000400241 is an apocalyptic number.

It is an amenable number.

111000400241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000400241 is an equidigital number, since it uses as much as digits as its factorization.

111000400241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111000400241 its reverse (142004000111), we get a palindrome (253004400352).

The spelling of 111000400241 in words is "one hundred eleven billion, four hundred thousand, two hundred forty-one".