2002120011 has 12 divisors (see below), whose sum is σ = 2999060792. Its totient is φ = 1334746512.

The previous prime is 2002119967. The next prime is 2002120013. The reversal of 2002120011 is 1100212002.

It is not a de Polignac number, because 2002120011 - 2⁹ = 2002119499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002119975 and 2002120002.

It is not an unprimeable number, because it can be changed into a prime (2002120013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4119346 + ... + 4119831.

Almost surely, 2^2002120011 is an apocalyptic number.

2002120011 is a deficient number, since it is larger than the sum of its proper divisors (996940781).

2002120011 is an frugal number, since it uses more digits than its factorization.

2002120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239192 (or 8239180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2002120011 is about 44745.0557156877. The cubic root of 2002120011 is about 1260.3660671058.

Adding to 2002120011 its reverse (1100212002), we get a palindrome (3102332013).

It can be divided in two parts, 200212001 and 1, that added together give a palindrome (200212002).

The spelling of 2002120011 in words is "two billion, two million, one hundred twenty thousand, eleven".