2212221200101 has 4 divisors (see below), whose sum is σ = 2413332218304. Its totient is φ = 2011110181900.

The previous prime is 2212221199999. The next prime is 2212221200149. The reversal of 2212221200101 is 1010021222122.

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 2212221200101 - 2¹⁷ = 2212221069029 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 (2212221200171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100555509085 + ... + 100555509106.

It is an arithmetic number, because the mean of its divisors is an integer number (603333054576).

Almost surely, 2^{2212221200101} is an apocalyptic number.

It is an amenable number.

2212221200101 is a deficient number, since it is larger than the sum of its proper divisors (201111018203).

2212221200101 is a wasteful number, since it uses less digits than its factorization.

2212221200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201111018202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212221200101 its reverse (1010021222122), we get a palindrome (3222242422223).

The spelling of 2212221200101 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred thousand, one hundred one".