111442420022 has 8 divisors (see below), whose sum is σ = 167416527072. Its totient is φ = 55636911000.

The previous prime is 111442420009. The next prime is 111442420027. The reversal of 111442420022 is 220024244111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111442420022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442420027) 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, 42147854 + ... + 42150497.

It is an arithmetic number, because the mean of its divisors is an integer number (20927065884).

Almost surely, 2^111442420022 is an apocalyptic number.

111442420022 is a deficient number, since it is larger than the sum of its proper divisors (55974107050).

111442420022 is an equidigital number, since it uses as much as digits as its factorization.

111442420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84299014.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 111442420022 its reverse (220024244111), we get a palindrome (331466664133).

The spelling of 111442420022 in words is "one hundred eleven billion, four hundred forty-two million, four hundred twenty thousand, twenty-two".