1001020011073 has 2 divisors, whose sum is σ = 1001020011074. Its totient is φ = 1001020011072.

The previous prime is 1001020011011. The next prime is 1001020011077. The reversal of 1001020011073 is 3701100201001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782750711824 + 218269299249 = 884732^2 + 467193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001020011073 - 2¹³ = 1001020002881 is a prime.

It is a super-2 number, since 2×1001020011073² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001020011077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510005536 + 500510005537.

It is an arithmetic number, because the mean of its divisors is an integer number (500510005537).

Almost surely, 2^{1001020011073} is an apocalyptic number.

It is an amenable number.

1001020011073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001020011073 is an equidigital number, since it uses as much as digits as its factorization.

1001020011073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

Adding to 1001020011073 its reverse (3701100201001), we get a palindrome (4702120212074).

The spelling of 1001020011073 in words is "one trillion, one billion, twenty million, eleven thousand, seventy-three".