2042243015111 has 4 divisors (see below), whose sum is σ = 2199338631672. Its totient is φ = 1885147398552.

The previous prime is 2042243015107. The next prime is 2042243015213. The reversal of 2042243015111 is 1115103422402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042243015111 - 2² = 2042243015107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042243005111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78547808261 + ... + 78547808286.

It is an arithmetic number, because the mean of its divisors is an integer number (549834657918).

Almost surely, 2^{2042243015111} is an apocalyptic number.

2042243015111 is a deficient number, since it is larger than the sum of its proper divisors (157095616561).

2042243015111 is a wasteful number, since it uses less digits than its factorization.

2042243015111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157095616560.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2042243015111 its reverse (1115103422402), we get a palindrome (3157346437513).

The spelling of 2042243015111 in words is "two trillion, forty-two billion, two hundred forty-three million, fifteen thousand, one hundred eleven".