111110213101 has 4 divisors (see below), whose sum is σ = 111191139612. Its totient is φ = 111029286592.

The previous prime is 111110213057. The next prime is 111110213191. The reversal of 111110213101 is 101312011111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59110251876 + 51999961225 = 243126^2 + 228035^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110213101 - 2¹⁹ = 111109688813 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 (111110213191) 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, 40461196 + ... + 40463941.

It is an arithmetic number, because the mean of its divisors is an integer number (27797784903).

Almost surely, 2^111110213101 is an apocalyptic number.

It is an amenable number.

111110213101 is a deficient number, since it is larger than the sum of its proper divisors (80926511).

111110213101 is an equidigital number, since it uses as much as digits as its factorization.

111110213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80926510.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111110213101 its reverse (101312011111), we get a palindrome (212422224212).

The spelling of 111110213101 in words is "one hundred eleven billion, one hundred ten million, two hundred thirteen thousand, one hundred one".