2211403442144 has 48 divisors (see below), whose sum is σ = 4777064776512. Its totient is φ = 1001390227968.

The previous prime is 2211403442119. The next prime is 2211403442239. The reversal of 2211403442144 is 4412443041122.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2211403442144.

It is a congruent 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, 50127704 + ... + 50171799.

It is an arithmetic number, because the mean of its divisors is an integer number (99522182844).

Almost surely, 2^{2211403442144} is an apocalyptic number.

It is an amenable number.

2211403442144 is an abundant number, since it is smaller than the sum of its proper divisors (2565661334368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211403442144 is a wasteful number, since it uses less digits than its factorization.

2211403442144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100299579 (or 100299571 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2211403442144 its reverse (4412443041122), we get a palindrome (6623846483266).

The spelling of 2211403442144 in words is "two trillion, two hundred eleven billion, four hundred three million, four hundred forty-two thousand, one hundred forty-four".