11112120142 has 16 divisors (see below), whose sum is σ = 17777491200. Its totient is φ = 5191061248.

The previous prime is 11112120133. The next prime is 11112120169. The reversal of 11112120142 is 24102121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188142 + ... + 1197457.

It is an arithmetic number, because the mean of its divisors is an integer number (1111093200).

Almost surely, 2^11112120142 is an apocalyptic number.

11112120142 is a deficient number, since it is larger than the sum of its proper divisors (6665371058).

11112120142 is a wasteful number, since it uses less digits than its factorization.

11112120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385755.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112120142 its reverse (24102121111), we get a palindrome (35214241253).

The spelling of 11112120142 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred forty-two".