1111042012342 has 4 divisors (see below), whose sum is σ = 1666563018516. Its totient is φ = 555521006170.

The previous prime is 1111042012331. The next prime is 1111042012343. The reversal of 1111042012342 is 2432102401111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111042012343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277760503084 + ... + 277760503087.

It is an arithmetic number, because the mean of its divisors is an integer number (416640754629).

Almost surely, 2^{1111042012342} is an apocalyptic number.

1111042012342 is a deficient number, since it is larger than the sum of its proper divisors (555521006174).

1111042012342 is an equidigital number, since it uses as much as digits as its factorization.

1111042012342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555521006173.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1111042012342 its reverse (2432102401111), we get a palindrome (3543144413453).

The spelling of 1111042012342 in words is "one trillion, one hundred eleven billion, forty-two million, twelve thousand, three hundred forty-two".