1111020112142 has 8 divisors (see below), whose sum is σ = 1670396828832. Its totient is φ = 554221169200.

The previous prime is 1111020112123. The next prime is 1111020112201. The reversal of 1111020112142 is 2412110201111.

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 1111020112142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644442359 + ... + 644444082.

It is an arithmetic number, because the mean of its divisors is an integer number (208799603604).

Almost surely, 2^{1111020112142} is an apocalyptic number.

1111020112142 is a deficient number, since it is larger than the sum of its proper divisors (559376716690).

1111020112142 is a wasteful number, since it uses less digits than its factorization.

1111020112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288886874.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111020112142 its reverse (2412110201111), we get a palindrome (3523130313253).

The spelling of 1111020112142 in words is "one trillion, one hundred eleven billion, twenty million, one hundred twelve thousand, one hundred forty-two".