12221100011101 has 4 divisors (see below), whose sum is σ = 12228448840192. Its totient is φ = 12213751182012.

The previous prime is 12221100011093. The next prime is 12221100011111. The reversal of 12221100011101 is 10111000112221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12221100011101 - 2³ = 12221100011093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221100011111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674412051 + ... + 3674415376.

It is an arithmetic number, because the mean of its divisors is an integer number (3057112210048).

Almost surely, 2^{12221100011101} is an apocalyptic number.

It is an amenable number.

12221100011101 is a deficient number, since it is larger than the sum of its proper divisors (7348829091).

12221100011101 is an equidigital number, since it uses as much as digits as its factorization.

12221100011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348829090.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12221100011101 its reverse (10111000112221), we get a palindrome (22332100123322).

The spelling of 12221100011101 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, eleven thousand, one hundred one".