12002211011 has 4 divisors (see below), whose sum is σ = 13716812592. Its totient is φ = 10287609432.

The previous prime is 12002210981. The next prime is 12002211017. The reversal of 12002211011 is 11011220021.

12002211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011220021 = 1181 ⋅9323641.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002211011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002210983 and 12002211001.

It is not an unprimeable number, because it can be changed into a prime (12002211017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857300780 + ... + 857300793.

It is an arithmetic number, because the mean of its divisors is an integer number (3429203148).

Almost surely, 2^12002211011 is an apocalyptic number.

12002211011 is a deficient number, since it is larger than the sum of its proper divisors (1714601581).

12002211011 is an equidigital number, since it uses as much as digits as its factorization.

12002211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714601580.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12002211011 its reverse (11011220021), we get a palindrome (23013431032).

The spelling of 12002211011 in words is "twelve billion, two million, two hundred eleven thousand, eleven".