121100230171 has 2 divisors, whose sum is σ = 121100230172. Its totient is φ = 121100230170.

The previous prime is 121100230169. The next prime is 121100230183. The reversal of 121100230171 is 171032001121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121100230171 - 2¹ = 121100230169 is a prime.

Together with 121100230169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121100231171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550115085 + 60550115086.

It is an arithmetic number, because the mean of its divisors is an integer number (60550115086).

Almost surely, 2^121100230171 is an apocalyptic number.

121100230171 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100230171 is an equidigital number, since it uses as much as digits as its factorization.

121100230171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 121100230171 its reverse (171032001121), we get a palindrome (292132231292).

The spelling of 121100230171 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty thousand, one hundred seventy-one".