111120422121143 has 8 divisors (see below), whose sum is σ = 111166193178000. Its totient is φ = 111074652777088.

The previous prime is 111120422121131. The next prime is 111120422121193. The reversal of 111120422121143 is 341121224021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120422121143 - 2²⁶ = 111120355012279 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 (111120422121193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138620255 + ... + 139419567.

It is an arithmetic number, because the mean of its divisors is an integer number (13895774147250).

Almost surely, 2^{111120422121143} is an apocalyptic number.

111120422121143 is a deficient number, since it is larger than the sum of its proper divisors (45771056857).

111120422121143 is an equidigital number, since it uses as much as digits as its factorization.

111120422121143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856401.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 111120422121143 its reverse (341121224021111), we get a palindrome (452241646142254).

The spelling of 111120422121143 in words is "one hundred eleven trillion, one hundred twenty billion, four hundred twenty-two million, one hundred twenty-one thousand, one hundred forty-three".