22102012000221 has 4 divisors (see below), whose sum is σ = 29469349333632. Its totient is φ = 14734674666812.

The previous prime is 22102012000219. The next prime is 22102012000223. The reversal of 22102012000221 is 12200021020122.

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 an interprime number because it is at equal distance from previous prime (22102012000219) and next prime (22102012000223).

It is a cyclic number.

It is not a de Polignac number, because 22102012000221 - 2¹ = 22102012000219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102012000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102012000223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683668666701 + ... + 3683668666706.

It is an arithmetic number, because the mean of its divisors is an integer number (7367337333408).

Almost surely, 2^{22102012000221} is an apocalyptic number.

It is an amenable number.

22102012000221 is a deficient number, since it is larger than the sum of its proper divisors (7367337333411).

22102012000221 is an equidigital number, since it uses as much as digits as its factorization.

22102012000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367337333410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22102012000221 its reverse (12200021020122), we get a palindrome (34302033020343).

The spelling of 22102012000221 in words is "twenty-two trillion, one hundred two billion, twelve million, two hundred twenty-one", and thus it is an aban number.