1110020211109 has 4 divisors (see below), whose sum is σ = 1110394084140. Its totient is φ = 1109646338080.

The previous prime is 1110020211103. The next prime is 1110020211133. The reversal of 1110020211109 is 9011120200111.

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 39836168100 + 1070184043009 = 199590^2 + 1034497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110020211109 - 2²¹ = 1110018113957 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 (1110020211103) 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, 186932062 + ... + 186937999.

It is an arithmetic number, because the mean of its divisors is an integer number (277598521035).

Almost surely, 2^{1110020211109} is an apocalyptic number.

It is an amenable number.

1110020211109 is a deficient number, since it is larger than the sum of its proper divisors (373873031).

1110020211109 is an equidigital number, since it uses as much as digits as its factorization.

1110020211109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373873030.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1110020211109 in words is "one trillion, one hundred ten billion, twenty million, two hundred eleven thousand, one hundred nine".