42342120201111 has 16 divisors (see below), whose sum is σ = 57413782151808. Its totient is φ = 27749787112800.

The previous prime is 42342120201103. The next prime is 42342120201113. The reversal of 42342120201111 is 11110202124324.

It is not a de Polignac number, because 42342120201111 - 2³ = 42342120201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342120201113) 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, 64412125 + ... + 65066166.

It is an arithmetic number, because the mean of its divisors is an integer number (3588361384488).

Almost surely, 2^{42342120201111} is an apocalyptic number.

42342120201111 is a deficient number, since it is larger than the sum of its proper divisors (15071661950697).

42342120201111 is a wasteful number, since it uses less digits than its factorization.

42342120201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129480142.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 42342120201111 its reverse (11110202124324), we get a palindrome (53452322325435).

The spelling of 42342120201111 in words is "forty-two trillion, three hundred forty-two billion, one hundred twenty million, two hundred one thousand, one hundred eleven".