2222202212101 has 4 divisors (see below), whose sum is σ = 2222206772332. Its totient is φ = 2222197651872.

The previous prime is 2222202212099. The next prime is 2222202212117. The reversal of 2222202212101 is 1012122022222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1354744684225 + 867457527876 = 1163935^2 + 931374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222202212101 - 2¹ = 2222202212099 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 (2222202212141) 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, 1447920 + ... + 2557513.

It is an arithmetic number, because the mean of its divisors is an integer number (555551693083).

Almost surely, 2^{2222202212101} is an apocalyptic number.

It is an amenable number.

2222202212101 is a deficient number, since it is larger than the sum of its proper divisors (4560231).

2222202212101 is an equidigital number, since it uses as much as digits as its factorization.

2222202212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560230.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2222202212101 its reverse (1012122022222), we get a palindrome (3234324234323).

It can be divided in two parts, 222220 and 2212101, that added together give a triangular number (2434321 = T₂₂₀₆).

The spelling of 2222202212101 in words is "two trillion, two hundred twenty-two billion, two hundred two million, two hundred twelve thousand, one hundred one".