2212221100001 has 16 divisors (see below), whose sum is σ = 2521000074240. Its totient is φ = 1921577098320.

The previous prime is 2212221099961. The next prime is 2212221100009. The reversal of 2212221100001 is 1000011222122.

It is not a de Polignac number, because 2212221100001 - 2²² = 2212216905697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212221100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4524815 + ... + 4989828.

It is an arithmetic number, because the mean of its divisors is an integer number (157562504640).

Almost surely, 2^{2212221100001} is an apocalyptic number.

It is an amenable number.

2212221100001 is a deficient number, since it is larger than the sum of its proper divisors (308778974239).

2212221100001 is a wasteful number, since it uses less digits than its factorization.

2212221100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515596.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212221100001 its reverse (1000011222122), we get a palindrome (3212232322123).

The spelling of 2212221100001 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thousand, one".