2002020101 has 8 divisors (see below), whose sum is σ = 2156399520. Its totient is φ = 1852541712.

The previous prime is 2002020091. The next prime is 2002020103. The reversal of 2002020101 is 1010202002.

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 2002020101 - 2¹⁰ = 2002019077 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 (2002020103) 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, 1224410 + ... + 1226043.

It is an arithmetic number, because the mean of its divisors is an integer number (269549940).

Almost surely, 2^2002020101 is an apocalyptic number.

It is an amenable number.

2002020101 is a deficient number, since it is larger than the sum of its proper divisors (154379419).

2002020101 is a wasteful number, since it uses less digits than its factorization.

2002020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450515.

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

The square root of 2002020101 is about 44743.9392655586. The cubic root of 2002020101 is about 1260.3451017844.

Adding to 2002020101 its reverse (1010202002), we get a palindrome (3012222103).

The spelling of 2002020101 in words is "two billion, two million, twenty thousand, one hundred one".