1001016111001 has 2 divisors, whose sum is σ = 1001016111002. Its totient is φ = 1001016111000.

The previous prime is 1001016110947. The next prime is 1001016111013. The reversal of 1001016111001 is 1001116101001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980902064025 + 20114046976 = 990405^2 + 141824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001016111001 - 2¹³ = 1001016102809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001016111061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500508055500 + 500508055501.

It is an arithmetic number, because the mean of its divisors is an integer number (500508055501).

Almost surely, 2^{1001016111001} is an apocalyptic number.

It is an amenable number.

1001016111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001016111001 is an equidigital number, since it uses as much as digits as its factorization.

1001016111001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

The spelling of 1001016111001 in words is "one trillion, one billion, sixteen million, one hundred eleven thousand, one".