1002011110101 has 48 divisors (see below), whose sum is σ = 1495792312768. Its totient is φ = 646053408000.

The previous prime is 1002011110099. The next prime is 1002011110103. The reversal of 1002011110101 is 1010111102001.

It is an interprime number because it is at equal distance from previous prime (1002011110099) and next prime (1002011110103).

It is not a de Polignac number, because 1002011110101 - 2¹ = 1002011110099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011110103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20095401 + ... + 20145201.

Almost surely, 2^{1002011110101} is an apocalyptic number.

It is an amenable number.

1002011110101 is a deficient number, since it is larger than the sum of its proper divisors (493781202667).

1002011110101 is a wasteful number, since it uses less digits than its factorization.

1002011110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50482 (or 50479 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1002011110101 its reverse (1010111102001), we get a palindrome (2012122212102).

The spelling of 1002011110101 in words is "one trillion, two billion, eleven million, one hundred ten thousand, one hundred one".