111210442141 has 4 divisors (see below), whose sum is σ = 111215922300. Its totient is φ = 111204961984.

The previous prime is 111210442129. The next prime is 111210442153. The reversal of 111210442141 is 141244012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141244012111 = 211 ⋅669402901.

It is an interprime number because it is at equal distance from previous prime (111210442129) and next prime (111210442153).

It can be written as a sum of positive squares in 2 ways, for example, as 98860565241 + 12349876900 = 314421^2 + 111130^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210442141 - 2²⁵ = 111176887709 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 (111210442741) 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, 2709526 + ... + 2750263.

It is an arithmetic number, because the mean of its divisors is an integer number (27803980575).

Almost surely, 2^111210442141 is an apocalyptic number.

It is an amenable number.

111210442141 is a deficient number, since it is larger than the sum of its proper divisors (5480159).

111210442141 is an equidigital number, since it uses as much as digits as its factorization.

111210442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480158.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111210442141 its reverse (141244012111), we get a palindrome (252454454252).

The spelling of 111210442141 in words is "one hundred eleven billion, two hundred ten million, four hundred forty-two thousand, one hundred forty-one".