111100211020001 has 8 divisors (see below), whose sum is σ = 126976222058304. Its totient is φ = 95225338062000.

The previous prime is 111100211019943. The next prime is 111100211020003. The reversal of 111100211020001 is 100020112001111.

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 111100211020001 - 2¹⁰ = 111100211018977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100211020003) 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 7 ways as a sum of consecutive naturals, for example, 284310875 + ... + 284701376.

It is an arithmetic number, because the mean of its divisors is an integer number (15872027757288).

Almost surely, 2^{111100211020001} is an apocalyptic number.

It is an amenable number.

111100211020001 is a deficient number, since it is larger than the sum of its proper divisors (15876011038303).

111100211020001 is an equidigital number, since it uses as much as digits as its factorization.

111100211020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569040151.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111100211020001 its reverse (100020112001111), we get a palindrome (211120323021112).

The spelling of 111100211020001 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, twenty thousand, one".