2212222440101 has 4 divisors (see below), whose sum is σ = 2248488381804. Its totient is φ = 2175956498400.

The previous prime is 2212222440061. The next prime is 2212222440167. The reversal of 2212222440101 is 1010442222122.

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 851511855076 + 1360710585025 = 922774^2 + 1166495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212222440101 - 2³⁰ = 2211148698277 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 (2212222440191) 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, 18132970760 + ... + 18132970881.

It is an arithmetic number, because the mean of its divisors is an integer number (562122095451).

Almost surely, 2^{2212222440101} is an apocalyptic number.

It is an amenable number.

2212222440101 is a deficient number, since it is larger than the sum of its proper divisors (36265941703).

2212222440101 is an equidigital number, since it uses as much as digits as its factorization.

2212222440101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36265941702.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2212222440101 its reverse (1010442222122), we get a palindrome (3222664662223).

The spelling of 2212222440101 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, four hundred forty thousand, one hundred one".