42002442111 has 8 divisors (see below), whose sum is σ = 64003721344. Its totient is φ = 24001395480.

The previous prime is 42002442101. The next prime is 42002442127. The reversal of 42002442111 is 11124420024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42002442111 - 2¹⁰ = 42002441087 is a prime.

It is a super-2 number, since 2×42002442111² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2000116291 = 42002442111 / (4 + 2 + 0 + 0 + 2 + 4 + 4 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002442101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000058125 + ... + 1000058166.

It is an arithmetic number, because the mean of its divisors is an integer number (8000465168).

Almost surely, 2^42002442111 is an apocalyptic number.

42002442111 is a deficient number, since it is larger than the sum of its proper divisors (22001279233).

42002442111 is a wasteful number, since it uses less digits than its factorization.

42002442111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000116301.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 42002442111 its reverse (11124420024), we get a palindrome (53126862135).

The spelling of 42002442111 in words is "forty-two billion, two million, four hundred forty-two thousand, one hundred eleven".