111120201101001 has 8 divisors (see below), whose sum is σ = 149627201482944. Its totient is φ = 73346667393200.

The previous prime is 111120201100999. The next prime is 111120201101017. The reversal of 111120201101001 is 100101102021111.

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 111120201101001 - 2¹ = 111120201100999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111120201101101) 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, 183366668181 + ... + 183366668786.

It is an arithmetic number, because the mean of its divisors is an integer number (18703400185368).

Almost surely, 2^{111120201101001} is an apocalyptic number.

It is an amenable number.

111120201101001 is a deficient number, since it is larger than the sum of its proper divisors (38507000381943).

111120201101001 is a wasteful number, since it uses less digits than its factorization.

111120201101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366733337071.

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

Adding to 111120201101001 its reverse (100101102021111), we get a palindrome (211221303122112).

It can be divided in two parts, 11112020110 and 1001, that added together give a palindrome (11112021111).

The spelling of 111120201101001 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred one million, one hundred one thousand, one".