2211203042444 has 24 divisors (see below), whose sum is σ = 4290590707536. Its totient is φ = 988615368000.

The previous prime is 2211203042407. The next prime is 2211203042479. The reversal of 2211203042444 is 4442403021122.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 411920387 + ... + 411925754.

It is an arithmetic number, because the mean of its divisors is an integer number (178774612814).

Almost surely, 2^{2211203042444} is an apocalyptic number.

It is an amenable number.

2211203042444 is a deficient number, since it is larger than the sum of its proper divisors (2079387665092).

2211203042444 is a wasteful number, since it uses less digits than its factorization.

2211203042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823846217 (or 823846215 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2211203042444 its reverse (4442403021122), we get a palindrome (6653606063566).

The spelling of 2211203042444 in words is "two trillion, two hundred eleven billion, two hundred three million, forty-two thousand, four hundred forty-four".