2002111211011 has 4 divisors (see below), whose sum is σ = 2022751532872. Its totient is φ = 1981470889152.

The previous prime is 2002111210907. The next prime is 2002111211059. The reversal of 2002111211011 is 1101121112002.

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 2002111211011 - 2¹⁷ = 2002111079939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002111210982 and 2002111211000.

It is not an unprimeable number, because it can be changed into a prime (2002111211071) 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, 10320160785 + ... + 10320160978.

It is an arithmetic number, because the mean of its divisors is an integer number (505687883218).

Almost surely, 2^{2002111211011} is an apocalyptic number.

2002111211011 is a deficient number, since it is larger than the sum of its proper divisors (20640321861).

2002111211011 is an equidigital number, since it uses as much as digits as its factorization.

2002111211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640321860.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2002111211011 its reverse (1101121112002), we get a palindrome (3103232323013).

Subtracting from 2002111211011 its reverse (1101121112002), we obtain a palindrome (900990099009).

It can be divided in two parts, 2002111 and 211011, that added together give a palindrome (2213122).

The spelling of 2002111211011 in words is "two trillion, two billion, one hundred eleven million, two hundred eleven thousand, eleven".