2002111111111 has 8 divisors (see below), whose sum is σ = 2036528956800. Its totient is φ = 1967709390840.

The previous prime is 2002111111103. The next prime is 2002111111139. The reversal of 2002111111111 is 1111111112002.

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 2002111111111 - 2³ = 2002111111103 is a prime.

It is a Duffinian number.

2002111111111 is a modest number, since divided by 1111111 gives 200211 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2002111111091 and 2002111111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111111811) 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, 3780771 + ... + 4277668.

It is an arithmetic number, because the mean of its divisors is an integer number (254566119600).

Almost surely, 2^{2002111111111} is an apocalyptic number.

2002111111111 is a deficient number, since it is larger than the sum of its proper divisors (34417845689).

2002111111111 is an equidigital number, since it uses as much as digits as its factorization.

2002111111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062709.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 2002111111111 its reverse (1111111112002), we get a palindrome (3113222223113).

It can be divided in two parts, 2002 and 111111111, that multiplied together give a palindrome (222444444222).

The spelling of 2002111111111 in words is "two trillion, two billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".