111123213042 has 8 divisors (see below), whose sum is σ = 222246426096. Its totient is φ = 37041071012.

The previous prime is 111123213023. The next prime is 111123213043. The reversal of 111123213042 is 240312321111.

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

111123213042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111123213043) 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, 9260267748 + ... + 9260267759.

It is an arithmetic number, because the mean of its divisors is an integer number (27780803262).

Almost surely, 2^111123213042 is an apocalyptic number.

111123213042 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.

111123213042 is a wasteful number, since it uses less digits than its factorization.

111123213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520535512.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111123213042 its reverse (240312321111), we get a palindrome (351435534153).

The spelling of 111123213042 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred thirteen thousand, forty-two".