2002102020011 has 4 divisors (see below), whose sum is σ = 2002357756800. Its totient is φ = 2001846283224.

The previous prime is 2002102020007. The next prime is 2002102020053. The reversal of 2002102020011 is 1100202012002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002102020011 - 2² = 2002102020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002102019974 and 2002102020001.

It is not an unprimeable number, because it can be changed into a prime (2002102020511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127856651 + ... + 127872308.

It is an arithmetic number, because the mean of its divisors is an integer number (500589439200).

Almost surely, 2^{2002102020011} is an apocalyptic number.

2002102020011 is a deficient number, since it is larger than the sum of its proper divisors (255736789).

2002102020011 is an equidigital number, since it uses as much as digits as its factorization.

2002102020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255736788.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002102020011 its reverse (1100202012002), we get a palindrome (3102304032013).

The spelling of 2002102020011 in words is "two trillion, two billion, one hundred two million, twenty thousand, eleven".