111101211010103 has 4 divisors (see below), whose sum is σ = 111154141555800. Its totient is φ = 111048280464408.

The previous prime is 111101211010093. The next prime is 111101211010109. The reversal of 111101211010103 is 301010112101111.

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 111101211010103 - 2¹⁶ = 111101210944567 is a prime.

It is a super-2 number, since 2×111101211010103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101211010109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26465269700 + ... + 26465273897.

It is an arithmetic number, because the mean of its divisors is an integer number (27788535388950).

Almost surely, 2^{111101211010103} is an apocalyptic number.

111101211010103 is a deficient number, since it is larger than the sum of its proper divisors (52930545697).

111101211010103 is an equidigital number, since it uses as much as digits as its factorization.

111101211010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52930545696.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 111101211010103 its reverse (301010112101111), we get a palindrome (412111323111214).

The spelling of 111101211010103 in words is "one hundred eleven trillion, one hundred one billion, two hundred eleven million, ten thousand, one hundred three".