212211142444441 has 8 divisors (see below), whose sum is σ = 242633065875200. Its totient is φ = 181815730498368.

The previous prime is 212211142444409. The next prime is 212211142444447. The reversal of 212211142444441 is 144444241112212.

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

It is a cyclic number.

It is not a de Polignac number, because 212211142444441 - 2⁵ = 212211142444409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211142444441.

It is not an unprimeable number, because it can be changed into a prime (212211142444447) 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, 6627854016 + ... + 6627886033.

It is an arithmetic number, because the mean of its divisors is an integer number (30329133234400).

Almost surely, 2^{212211142444441} is an apocalyptic number.

It is an amenable number.

212211142444441 is a deficient number, since it is larger than the sum of its proper divisors (30421923430759).

212211142444441 is a wasteful number, since it uses less digits than its factorization.

212211142444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255742343.

The product of its digits is 65536, while the sum is 37.

Adding to 212211142444441 its reverse (144444241112212), we get a palindrome (356655383556653).

The spelling of 212211142444441 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred forty-two million, four hundred forty-four thousand, four hundred forty-one".