12221010011 has 8 divisors (see below), whose sum is σ = 14003723520. Its totient is φ = 10447510248.

The previous prime is 12221009981. The next prime is 12221010013. The reversal of 12221010011 is 11001012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12221010011 - 2⁶ = 12221009947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221009974 and 12221010001.

It is not an unprimeable number, because it can be changed into a prime (12221010013) 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, 2300591 + ... + 2305896.

It is an arithmetic number, because the mean of its divisors is an integer number (1750465440).

Almost surely, 2^12221010011 is an apocalyptic number.

12221010011 is a deficient number, since it is larger than the sum of its proper divisors (1782713509).

12221010011 is an equidigital number, since it uses as much as digits as its factorization.

12221010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606873.

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

Adding to 12221010011 its reverse (11001012221), we get a palindrome (23222022232).

The spelling of 12221010011 in words is "twelve billion, two hundred twenty-one million, ten thousand, eleven".