111110120421442 has 8 divisors (see below), whose sum is σ = 166870686406032. Its totient is φ = 55486558286100.

The previous prime is 111110120421437. The next prime is 111110120421457. The reversal of 111110120421442 is 244124021011111.

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

It is a super-3 number, since 3×111110120421442³ (a number of 43 digits) contains 333 as substring.

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, 34250960284 + ... + 34250963527.

It is an arithmetic number, because the mean of its divisors is an integer number (20858835800754).

Almost surely, 2^{111110120421442} is an apocalyptic number.

111110120421442 is a deficient number, since it is larger than the sum of its proper divisors (55760565984590).

111110120421442 is an equidigital number, since it uses as much as digits as its factorization.

111110120421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68501924624.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 111110120421442 its reverse (244124021011111), we get a palindrome (355234141432553).

The spelling of 111110120421442 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty million, four hundred twenty-one thousand, four hundred forty-two".