121043011171 has 2 divisors, whose sum is σ = 121043011172. Its totient is φ = 121043011170.

The previous prime is 121043011087. The next prime is 121043011217. The reversal of 121043011171 is 171110340121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121043011171 - 2²⁵ = 121009456739 is a prime.

It is not a weakly prime, because it can be changed into another prime (121043011471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60521505585 + 60521505586.

It is an arithmetic number, because the mean of its divisors is an integer number (60521505586).

Almost surely, 2^121043011171 is an apocalyptic number.

121043011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

121043011171 is an equidigital number, since it uses as much as digits as its factorization.

121043011171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 121043011171 its reverse (171110340121), we get a palindrome (292153351292).

The spelling of 121043011171 in words is "one hundred twenty-one billion, forty-three million, eleven thousand, one hundred seventy-one".