1110321112143 has 4 divisors (see below), whose sum is σ = 1480428149528. Its totient is φ = 740214074760.

The previous prime is 1110321112127. The next prime is 1110321112181. The reversal of 1110321112143 is 3412111230111.

It is a happy number.

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

It is not a de Polignac number, because 1110321112143 - 2⁴ = 1110321112127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110321112193) 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, 185053518688 + ... + 185053518693.

It is an arithmetic number, because the mean of its divisors is an integer number (370107037382).

Almost surely, 2^{1110321112143} is an apocalyptic number.

1110321112143 is a deficient number, since it is larger than the sum of its proper divisors (370107037385).

1110321112143 is an equidigital number, since it uses as much as digits as its factorization.

1110321112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370107037384.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1110321112143 its reverse (3412111230111), we get a palindrome (4522432342254).

The spelling of 1110321112143 in words is "one trillion, one hundred ten billion, three hundred twenty-one million, one hundred twelve thousand, one hundred forty-three".