2111043330042 has 16 divisors (see below), whose sum is σ = 4269525837120. Its totient is φ = 695774580512.

The previous prime is 2111043330017. The next prime is 2111043330043. The reversal of 2111043330042 is 2400333401112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2111043329994 and 2111043330021.

It is not an unprimeable number, because it can be changed into a prime (2111043330043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976631798 + ... + 1976632865.

It is an arithmetic number, because the mean of its divisors is an integer number (266845364820).

Almost surely, 2^{2111043330042} is an apocalyptic number.

2111043330042 is an abundant number, since it is smaller than the sum of its proper divisors (2158482507078).

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

2111043330042 is a wasteful number, since it uses less digits than its factorization.

2111043330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953264757.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2111043330042 its reverse (2400333401112), we get a palindrome (4511376731154).

The spelling of 2111043330042 in words is "two trillion, one hundred eleven billion, forty-three million, three hundred thirty thousand, forty-two".