111011010103 has 4 divisors (see below), whose sum is σ = 126869725840. Its totient is φ = 95152294368.

The previous prime is 111011010101. The next prime is 111011010113. The reversal of 111011010103 is 301010110111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301010110111 = 101837 ⋅2955803.

It is a cyclic number.

It is not a de Polignac number, because 111011010103 - 2¹ = 111011010101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111011010103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011010101) 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, 7929357858 + ... + 7929357871.

It is an arithmetic number, because the mean of its divisors is an integer number (31717431460).

Almost surely, 2^111011010103 is an apocalyptic number.

111011010103 is a deficient number, since it is larger than the sum of its proper divisors (15858715737).

111011010103 is an equidigital number, since it uses as much as digits as its factorization.

111011010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858715736.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 111011010103 its reverse (301010110111), we get a palindrome (412021120214).

The spelling of 111011010103 in words is "one hundred eleven billion, eleven million, ten thousand, one hundred three".