120100202171 has 2 divisors, whose sum is σ = 120100202172. Its totient is φ = 120100202170.

The previous prime is 120100202083. The next prime is 120100202219. The reversal of 120100202171 is 171202001021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100202171 is a prime.

It is a super-2 number, since 2×120100202171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120100202071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050101085 + 60050101086.

It is an arithmetic number, because the mean of its divisors is an integer number (60050101086).

Almost surely, 2^120100202171 is an apocalyptic number.

120100202171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100202171 is an equidigital number, since it uses as much as digits as its factorization.

120100202171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 120100202171 its reverse (171202001021), we get a palindrome (291302203192).

The spelling of 120100202171 in words is "one hundred twenty billion, one hundred million, two hundred two thousand, one hundred seventy-one".