44211212011 has 2 divisors, whose sum is σ = 44211212012. Its totient is φ = 44211212010.

The previous prime is 44211212009. The next prime is 44211212033. The reversal of 44211212011 is 11021211244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44211212011 - 2¹ = 44211212009 is a prime.

Together with 44211212009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44211212011.

It is not a weakly prime, because it can be changed into another prime (44211212411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22105606005 + 22105606006.

It is an arithmetic number, because the mean of its divisors is an integer number (22105606006).

Almost surely, 2^44211212011 is an apocalyptic number.

44211212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

44211212011 is an equidigital number, since it uses as much as digits as its factorization.

44211212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 44211212011 its reverse (11021211244), we get a palindrome (55232423255).

The spelling of 44211212011 in words is "forty-four billion, two hundred eleven million, two hundred twelve thousand, eleven".