111121119983 has 4 divisors (see below), whose sum is σ = 111206533368. Its totient is φ = 111035706600.

The previous prime is 111121119947. The next prime is 111121120001. The reversal of 111121119983 is 389911121111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389911121111 = 103457 ⋅3768823.

It is a cyclic number.

It is not a de Polignac number, because 111121119983 - 2⁸ = 111121119727 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 (111121112983) 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, 42704741 + ... + 42707342.

It is an arithmetic number, because the mean of its divisors is an integer number (27801633342).

Almost surely, 2^111121119983 is an apocalyptic number.

111121119983 is a deficient number, since it is larger than the sum of its proper divisors (85413385).

111121119983 is an equidigital number, since it uses as much as digits as its factorization.

111121119983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85413384.

The product of its digits is 3888, while the sum is 38.

The spelling of 111121119983 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred eighty-three".