1001001170101 has 2 divisors, whose sum is σ = 1001001170102. Its totient is φ = 1001001170100.

The previous prime is 1001001170087. The next prime is 1001001170111. The reversal of 1001001170101 is 1010711001001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945775700100 + 55225470001 = 972510^2 + 235001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001001170101 - 2³⁵ = 966641431733 is a prime.

It is a super-2 number, since 2×1001001170101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001001170111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500585050 + 500500585051.

It is an arithmetic number, because the mean of its divisors is an integer number (500500585051).

Almost surely, 2^{1001001170101} is an apocalyptic number.

It is an amenable number.

1001001170101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001001170101 is an equidigital number, since it uses as much as digits as its factorization.

1001001170101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7, while the sum is 13.

Adding to 1001001170101 its reverse (1010711001001), we get a palindrome (2011712171102).

The spelling of 1001001170101 in words is "one trillion, one billion, one million, one hundred seventy thousand, one hundred one".