1001020020101 has 8 divisors (see below), whose sum is σ = 1004289921024. Its totient is φ = 997750447920.

The previous prime is 1001020020089. The next prime is 1001020020167. The reversal of 1001020020101 is 1010200201001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001020020101 - 2¹⁴ = 1001020003717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020020001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014875 + ... + 7156151.

It is an arithmetic number, because the mean of its divisors is an integer number (125536240128).

Almost surely, 2^{1001020020101} is an apocalyptic number.

It is an amenable number.

1001020020101 is a deficient number, since it is larger than the sum of its proper divisors (3269900923).

1001020020101 is a wasteful number, since it uses less digits than its factorization.

1001020020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164371.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001020020101 its reverse (1010200201001), we get a palindrome (2011220221102).

The spelling of 1001020020101 in words is "one trillion, one billion, twenty million, twenty thousand, one hundred one".