111211034442 has 8 divisors (see below), whose sum is σ = 222422068896. Its totient is φ = 37070344812.

The previous prime is 111211034419. The next prime is 111211034449. The reversal of 111211034442 is 244430112111.

It is a happy number.

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

111211034442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111211034449) 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, 9267586198 + ... + 9267586209.

It is an arithmetic number, because the mean of its divisors is an integer number (27802758612).

Almost surely, 2^111211034442 is an apocalyptic number.

111211034442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111211034442 is a wasteful number, since it uses less digits than its factorization.

111211034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535172412.

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

Adding to 111211034442 its reverse (244430112111), we get a palindrome (355641146553).

The spelling of 111211034442 in words is "one hundred eleven billion, two hundred eleven million, thirty-four thousand, four hundred forty-two".