111002121101209 has 8 divisors (see below), whose sum is σ = 120208571199360. Its totient is φ = 101891074631376.

The previous prime is 111002121101147. The next prime is 111002121101357. The reversal of 111002121101209 is 902101121200111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111002121101209 - 2⁹ = 111002121100697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111002121101209.

It is not an unprimeable number, because it can be changed into a prime (111002121102209) 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, 23850904657 + ... + 23850909310.

It is an arithmetic number, because the mean of its divisors is an integer number (15026071399920).

Almost surely, 2^{111002121101209} is an apocalyptic number.

It is an amenable number.

111002121101209 is a deficient number, since it is larger than the sum of its proper divisors (9206450098151).

111002121101209 is a wasteful number, since it uses less digits than its factorization.

111002121101209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47701814159.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111002121101209 in words is "one hundred eleven trillion, two billion, one hundred twenty-one million, one hundred one thousand, two hundred nine".