111100201211001 has 8 divisors (see below), whose sum is σ = 153241656842880. Its totient is φ = 71512773193232.

The previous prime is 111100201210981. The next prime is 111100201211029. The reversal of 111100201211001 is 100112102001111.

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 111100201211001 - 2³³ = 111091611276409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111100201211101) 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, 638506903425 + ... + 638506903598.

It is an arithmetic number, because the mean of its divisors is an integer number (19155207105360).

Almost surely, 2^{111100201211001} is an apocalyptic number.

It is an amenable number.

111100201211001 is a deficient number, since it is larger than the sum of its proper divisors (42141455631879).

111100201211001 is a wasteful number, since it uses less digits than its factorization.

111100201211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277013807055.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111100201211001 its reverse (100112102001111), we get a palindrome (211212303212112).

The spelling of 111100201211001 in words is "one hundred eleven trillion, one hundred billion, two hundred one million, two hundred eleven thousand, one".