121000111110041 has 2 divisors, whose sum is σ = 121000111110042. Its totient is φ = 121000111110040.

The previous prime is 121000111110031. The next prime is 121000111110079. The reversal of 121000111110041 is 140011111000121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118009027334416 + 2991083775625 = 10863196^2 + 1729475^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000111110041 - 2¹⁸ = 121000110847897 is a prime.

It is a super-2 number, since 2×121000111110041² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000111109998 and 121000111110025.

It is not a weakly prime, because it can be changed into another prime (121000111110031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500055555020 + 60500055555021.

It is an arithmetic number, because the mean of its divisors is an integer number (60500055555021).

Almost surely, 2^{121000111110041} is an apocalyptic number.

It is an amenable number.

121000111110041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000111110041 is an equidigital number, since it uses as much as digits as its factorization.

121000111110041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121000111110041 its reverse (140011111000121), we get a palindrome (261011222110162).

The spelling of 121000111110041 in words is "one hundred twenty-one trillion, one hundred eleven million, one hundred ten thousand, forty-one".