111121200041 has 2 divisors, whose sum is σ = 111121200042. Its totient is φ = 111121200040.

The previous prime is 111121199977. The next prime is 111121200053. The reversal of 111121200041 is 140002121111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77303461225 + 33817738816 = 278035^2 + 183896^2 .

It is a cyclic number.

It is not a de Polignac number, because 111121200041 - 2⁶ = 111121199977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111121199989 and 111121200025.

It is not a weakly prime, because it can be changed into another prime (111121200061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560600020 + 55560600021.

It is an arithmetic number, because the mean of its divisors is an integer number (55560600021).

Almost surely, 2^111121200041 is an apocalyptic number.

It is an amenable number.

111121200041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121200041 is an equidigital number, since it uses as much as digits as its factorization.

111121200041 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 111121200041 its reverse (140002121111), we get a palindrome (251123321152).

The spelling of 111121200041 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred thousand, forty-one".