111020211100209 has 8 divisors (see below), whose sum is σ = 148150201217632. Its totient is φ = 73951847524800.

The previous prime is 111020211100121. The next prime is 111020211100217. The reversal of 111020211100209 is 902001112020111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111020211100209 - 2¹⁶ = 111020211034673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020211100009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15406631299 + ... + 15406638504.

It is an arithmetic number, because the mean of its divisors is an integer number (18518775152204).

Almost surely, 2^{111020211100209} is an apocalyptic number.

It is an amenable number.

111020211100209 is a deficient number, since it is larger than the sum of its proper divisors (37129990117423).

111020211100209 is a wasteful number, since it uses less digits than its factorization.

111020211100209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30813271007.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 111020211100209 in words is "one hundred eleven trillion, twenty billion, two hundred eleven million, one hundred thousand, two hundred nine".