1000002020101 has 16 divisors (see below), whose sum is σ = 1157447411200. Its totient is φ = 846205895808.

The previous prime is 1000002020071. The next prime is 1000002020113. The reversal of 1000002020101 is 1010202000001.

It is not a de Polignac number, because 1000002020101 - 2¹⁵ = 1000001987333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5478361 + ... + 5657953.

It is an arithmetic number, because the mean of its divisors is an integer number (72340463200).

Almost surely, 2^{1000002020101} is an apocalyptic number.

It is an amenable number.

1000002020101 is a deficient number, since it is larger than the sum of its proper divisors (157445391099).

1000002020101 is a wasteful number, since it uses less digits than its factorization.

1000002020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189748.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000002020101 its reverse (1010202000001), we get a palindrome (2010204020102).

The spelling of 1000002020101 in words is "one trillion, two million, twenty thousand, one hundred one".