12222102220001 has 4 divisors (see below), whose sum is σ = 12254013714432. Its totient is φ = 12190190725572.

The previous prime is 12222102219997. The next prime is 12222102220079. The reversal of 12222102220001 is 10002220122221.

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 12222102220001 - 2² = 12222102219997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12222102220301) 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, 15955746641 + ... + 15955747406.

It is an arithmetic number, because the mean of its divisors is an integer number (3063503428608).

Almost surely, 2^{12222102220001} is an apocalyptic number.

It is an amenable number.

12222102220001 is a deficient number, since it is larger than the sum of its proper divisors (31911494431).

12222102220001 is an equidigital number, since it uses as much as digits as its factorization.

12222102220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31911494430.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12222102220001 its reverse (10002220122221), we get a palindrome (22224322342222).

The spelling of 12222102220001 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one".