111142224121043 has 4 divisors (see below), whose sum is σ = 111142254176328. Its totient is φ = 111142194065760.

The previous prime is 111142224121037. The next prime is 111142224121079. The reversal of 111142224121043 is 340121422241111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111142224121043 - 2⁶ = 111142224120979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111142224120997 and 111142224121015.

It is not an unprimeable number, because it can be changed into a prime (111142724121043) 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, 8550038 + ... + 17186843.

It is an arithmetic number, because the mean of its divisors is an integer number (27785563544082).

Almost surely, 2^{111142224121043} is an apocalyptic number.

111142224121043 is a deficient number, since it is larger than the sum of its proper divisors (30055285).

111142224121043 is an equidigital number, since it uses as much as digits as its factorization.

111142224121043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055284.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 111142224121043 its reverse (340121422241111), we get a palindrome (451263646362154).

The spelling of 111142224121043 in words is "one hundred eleven trillion, one hundred forty-two billion, two hundred twenty-four million, one hundred twenty-one thousand, forty-three".