2111042402205 has 16 divisors (see below), whose sum is σ = 3684728556864. Its totient is φ = 1023535710080.

The previous prime is 2111042402171. The next prime is 2111042402237. The reversal of 2111042402205 is 5022042401112.

It is not a de Polignac number, because 2111042402205 - 2⁹ = 2111042401693 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397098024 + ... + 6397098353.

It is an arithmetic number, because the mean of its divisors is an integer number (230295534804).

Almost surely, 2^{2111042402205} is an apocalyptic number.

It is an amenable number.

2111042402205 is a deficient number, since it is larger than the sum of its proper divisors (1573686154659).

2111042402205 is a wasteful number, since it uses less digits than its factorization.

2111042402205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794196396.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 2111042402205 its reverse (5022042401112), we get a palindrome (7133084803317).

The spelling of 2111042402205 in words is "two trillion, one hundred eleven billion, forty-two million, four hundred two thousand, two hundred five".