42111012442 has 8 divisors (see below), whose sum is σ = 63167451732. Its totient is φ = 21055195200.

The previous prime is 42111012397. The next prime is 42111012469. The reversal of 42111012442 is 24421011124.

It can be written as a sum of positive squares in 2 ways, for example, as 41456624881 + 654387561 = 203609^2 + 25581^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93442 + ... + 304882.

Almost surely, 2^42111012442 is an apocalyptic number.

42111012442 is a deficient number, since it is larger than the sum of its proper divisors (21056439290).

42111012442 is a wasteful number, since it uses less digits than its factorization.

42111012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311024.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 42111012442 its reverse (24421011124), we get a palindrome (66532023566).

The spelling of 42111012442 in words is "forty-two billion, one hundred eleven million, twelve thousand, four hundred forty-two".