111201021100219 has 4 divisors (see below), whose sum is σ = 117742257635544. Its totient is φ = 104659784564896.

The previous prime is 111201021100193. The next prime is 111201021100237. The reversal of 111201021100219 is 912001120102111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111201021100219 - 2³⁵ = 111166661361851 is a prime.

It is a super-2 number, since 2×111201021100219² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111201021100219.

It is not an unprimeable number, because it can be changed into a prime (111201021100259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270618267637 + ... + 3270618267670.

It is an arithmetic number, because the mean of its divisors is an integer number (29435564408886).

Almost surely, 2^{111201021100219} is an apocalyptic number.

111201021100219 is a deficient number, since it is larger than the sum of its proper divisors (6541236535325).

111201021100219 is an equidigital number, since it uses as much as digits as its factorization.

111201021100219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541236535324.

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

The spelling of 111201021100219 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, one hundred thousand, two hundred nineteen".