1012220001171 has 32 divisors (see below), whose sum is σ = 1525327372800. Its totient is φ = 663246174240.

The previous prime is 1012220001139. The next prime is 1012220001179. The reversal of 1012220001171 is 1711000222101.

It is not a de Polignac number, because 1012220001171 - 2⁵ = 1012220001139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012220001179) 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 31 ways as a sum of consecutive naturals, for example, 1939420 + ... + 2405366.

It is an arithmetic number, because the mean of its divisors is an integer number (47666480400).

Almost surely, 2^{1012220001171} is an apocalyptic number.

1012220001171 is a deficient number, since it is larger than the sum of its proper divisors (513107371629).

1012220001171 is a wasteful number, since it uses less digits than its factorization.

1012220001171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467336 (or 467330 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 1012220001171 its reverse (1711000222101), we get a palindrome (2723220223272).

The spelling of 1012220001171 in words is "one trillion, twelve billion, two hundred twenty million, one thousand, one hundred seventy-one".