2002102020111 has 4 divisors (see below), whose sum is σ = 2669469360152. Its totient is φ = 1334734680072.

The previous prime is 2002102020103. The next prime is 2002102020119. The reversal of 2002102020111 is 1110202012002.

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

It is an interprime number because it is at equal distance from previous prime (2002102020103) and next prime (2002102020119).

It is not a de Polignac number, because 2002102020111 - 2³ = 2002102020103 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 (2002102020119) 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, 333683670016 + ... + 333683670021.

It is an arithmetic number, because the mean of its divisors is an integer number (667367340038).

Almost surely, 2^{2002102020111} is an apocalyptic number.

2002102020111 is a deficient number, since it is larger than the sum of its proper divisors (667367340041).

2002102020111 is an equidigital number, since it uses as much as digits as its factorization.

2002102020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667367340040.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002102020111 its reverse (1110202012002), we get a palindrome (3112304032113).

The spelling of 2002102020111 in words is "two trillion, two billion, one hundred two million, twenty thousand, one hundred eleven".