111020102221109 has 4 divisors (see below), whose sum is σ = 111023073650016. Its totient is φ = 111017130792204.

The previous prime is 111020102221103. The next prime is 111020102221123. The reversal of 111020102221109 is 901122201020111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020102221109 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 (111020102221103) 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, 1485658409 + ... + 1485733134.

It is an arithmetic number, because the mean of its divisors is an integer number (27755768412504).

Almost surely, 2^{111020102221109} is an apocalyptic number.

It is an amenable number.

111020102221109 is a deficient number, since it is larger than the sum of its proper divisors (2971428907).

111020102221109 is an equidigital number, since it uses as much as digits as its factorization.

111020102221109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971428906.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111020102221109 in words is "one hundred eleven trillion, twenty billion, one hundred two million, two hundred twenty-one thousand, one hundred nine".