2111420224443 has 16 divisors (see below), whose sum is σ = 2823677494560. Its totient is φ = 1403391331584.

The previous prime is 2111420224439. The next prime is 2111420224477. The reversal of 2111420224443 is 3444220241112.

It is not a de Polignac number, because 2111420224443 - 2² = 2111420224439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111420224443.

It is not an unprimeable number, because it can be changed into a prime (2111420214443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334855 + ... + 3110367.

It is an arithmetic number, because the mean of its divisors is an integer number (176479843410).

Almost surely, 2^{2111420224443} is an apocalyptic number.

2111420224443 is a deficient number, since it is larger than the sum of its proper divisors (712257270117).

2111420224443 is a wasteful number, since it uses less digits than its factorization.

2111420224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778238.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 2111420224443 its reverse (3444220241112), we get a palindrome (5555640465555).

The spelling of 2111420224443 in words is "two trillion, one hundred eleven billion, four hundred twenty million, two hundred twenty-four thousand, four hundred forty-three".