2412221221211 has 4 divisors (see below), whose sum is σ = 2490034809024. Its totient is φ = 2334407633400.

The previous prime is 2412221221159. The next prime is 2412221221307. The reversal of 2412221221211 is 1121221222142.

It is a happy number.

2412221221211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2412221221211 - 2¹⁸ = 2412220959067 is a prime.

It is a super-2 number, since 2×2412221221211² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2412221224211) 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, 38906793860 + ... + 38906793921.

It is an arithmetic number, because the mean of its divisors is an integer number (622508702256).

Almost surely, 2^{2412221221211} is an apocalyptic number.

2412221221211 is a deficient number, since it is larger than the sum of its proper divisors (77813587813).

2412221221211 is an equidigital number, since it uses as much as digits as its factorization.

2412221221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77813587812.

The product of its digits is 512, while the sum is 23.

Adding to 2412221221211 its reverse (1121221222142), we get a palindrome (3533442443353).

The spelling of 2412221221211 in words is "two trillion, four hundred twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".