14121010181 has 2 divisors, whose sum is σ = 14121010182. Its totient is φ = 14121010180.

The previous prime is 14121010177. The next prime is 14121010187. The reversal of 14121010181 is 18101012141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11612002081 + 2509008100 = 107759^2 + 50090^2 .

It is a cyclic number.

It is not a de Polignac number, because 14121010181 - 2² = 14121010177 is a prime.

It is a super-2 number, since 2×14121010181² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14121010187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060505090 + 7060505091.

It is an arithmetic number, because the mean of its divisors is an integer number (7060505091).

Almost surely, 2^14121010181 is an apocalyptic number.

It is an amenable number.

14121010181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14121010181 is an equidigital number, since it uses as much as digits as its factorization.

14121010181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 14121010181 in words is "fourteen billion, one hundred twenty-one million, ten thousand, one hundred eighty-one".