120101016571 has 12 divisors (see below), whose sum is σ = 126925498560. Its totient is φ = 113523787440.

The previous prime is 120101016557. The next prime is 120101016661. The reversal of 120101016571 is 175610101021.

It is not a de Polignac number, because 120101016571 - 2¹⁵ = 120100983803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101010571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990336 + ... + 1104973.

It is an arithmetic number, because the mean of its divisors is an integer number (10577124880).

Almost surely, 2^120101016571 is an apocalyptic number.

120101016571 is a deficient number, since it is larger than the sum of its proper divisors (6824481989).

120101016571 is an equidigital number, since it uses as much as digits as its factorization.

120101016571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095426 (or 2095383 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 120101016571 its reverse (175610101021), we get a palindrome (295711117592).

The spelling of 120101016571 in words is "one hundred twenty billion, one hundred one million, sixteen thousand, five hundred seventy-one".