2212022220101 has 8 divisors (see below), whose sum is σ = 2241175336920. Its totient is φ = 2183037133312.

The previous prime is 2212022220047. The next prime is 2212022220103. The reversal of 2212022220101 is 1010222202122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25169822500 + 2186852397601 = 158650^2 + 1478801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212022220101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212022220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212022220103) 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 7 ways as a sum of consecutive naturals, for example, 41981006 + ... + 42033663.

It is an arithmetic number, because the mean of its divisors is an integer number (280146917115).

Almost surely, 2^{2212022220101} is an apocalyptic number.

It is an amenable number.

2212022220101 is a deficient number, since it is larger than the sum of its proper divisors (29153116819).

2212022220101 is a wasteful number, since it uses less digits than its factorization.

2212022220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84015015.

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

Adding to 2212022220101 its reverse (1010222202122), we get a palindrome (3222244422223).

The spelling of 2212022220101 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, one hundred one".