2111420441143 has 16 divisors (see below), whose sum is σ = 2322269520480. Its totient is φ = 1907665778304.

The previous prime is 2111420441129. The next prime is 2111420441153. The reversal of 2111420441143 is 3411440241112.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2111420441143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111420441153) 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, 3368196 + ... + 3945577.

It is an arithmetic number, because the mean of its divisors is an integer number (145141845030).

Almost surely, 2^{2111420441143} is an apocalyptic number.

2111420441143 is a deficient number, since it is larger than the sum of its proper divisors (210849079337).

2111420441143 is a wasteful number, since it uses less digits than its factorization.

2111420441143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314258.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 2111420441143 its reverse (3411440241112), we get a palindrome (5522860682255).

The spelling of 2111420441143 in words is "two trillion, one hundred eleven billion, four hundred twenty million, four hundred forty-one thousand, one hundred forty-three".