12221000011 has 16 divisors (see below), whose sum is σ = 13707703296. Its totient is φ = 10798920000.

The previous prime is 12221000003. The next prime is 12221000039. The reversal of 12221000011 is 11000012221.

It is not a de Polignac number, because 12221000011 - 2³ = 12221000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72226 + ... + 172216.

It is an arithmetic number, because the mean of its divisors is an integer number (856731456).

Almost surely, 2^12221000011 is an apocalyptic number.

12221000011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12221000011 is a deficient number, since it is larger than the sum of its proper divisors (1486703285).

12221000011 is a wasteful number, since it uses less digits than its factorization.

12221000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100314.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12221000011 its reverse (11000012221), we get a palindrome (23221012232).

The spelling of 12221000011 in words is "twelve billion, two hundred twenty-one million, eleven", and thus it is an aban number.