120100100971 has 2 divisors, whose sum is σ = 120100100972. Its totient is φ = 120100100970.

The previous prime is 120100100963. The next prime is 120100101019. The reversal of 120100100971 is 179001001021.

It is a weak prime.

It is an emirp because it is prime and its reverse (179001001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100100971 - 2³ = 120100100963 is a prime.

It is not a weakly prime, because it can be changed into another prime (120100100951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050050485 + 60050050486.

It is an arithmetic number, because the mean of its divisors is an integer number (60050050486).

Almost surely, 2^120100100971 is an apocalyptic number.

120100100971 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100100971 is an equidigital number, since it uses as much as digits as its factorization.

120100100971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 120100100971 its reverse (179001001021), we get a palindrome (299101101992).

The spelling of 120100100971 in words is "one hundred twenty billion, one hundred million, one hundred thousand, nine hundred seventy-one".