12002110011 has 8 divisors (see below), whose sum is σ = 17780903760. Its totient is φ = 8001406656.

The previous prime is 12002109979. The next prime is 12002110039. The reversal of 12002110011 is 11001120021.

It is a happy number.

It is not a de Polignac number, because 12002110011 - 2⁵ = 12002109979 is a prime.

It is a super-2 number, since 2×12002110011² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12002109975 and 12002110002.

It is not an unprimeable number, because it can be changed into a prime (12002110411) 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, 222261270 + ... + 222261323.

It is an arithmetic number, because the mean of its divisors is an integer number (2222612970).

Almost surely, 2^12002110011 is an apocalyptic number.

12002110011 is a deficient number, since it is larger than the sum of its proper divisors (5778793749).

12002110011 is an equidigital number, since it uses as much as digits as its factorization.

12002110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444522602 (or 444522596 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12002110011 its reverse (11001120021), we get a palindrome (23003230032).

The spelling of 12002110011 in words is "twelve billion, two million, one hundred ten thousand, eleven".