111021201200001 has 8 divisors (see below), whose sum is σ = 148030839012384. Its totient is φ = 74012848760480.

The previous prime is 111021201199933. The next prime is 111021201200003. The reversal of 111021201200001 is 100002102120111.

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 111021201200001 - 2¹¹ = 111021201197953 is a prime.

It is a super-2 number, since 2×111021201200001² (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 111021201200001.

It is not an unprimeable number, because it can be changed into a prime (111021201200003) 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, 321141660 + ... + 321487181.

It is an arithmetic number, because the mean of its divisors is an integer number (18503854876548).

Almost surely, 2^{111021201200001} is an apocalyptic number.

It is an amenable number.

111021201200001 is a deficient number, since it is larger than the sum of its proper divisors (37009637812383).

111021201200001 is an equidigital number, since it uses as much as digits as its factorization.

111021201200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642686431.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111021201200001 its reverse (100002102120111), we get a palindrome (211023303320112).

The spelling of 111021201200001 in words is "one hundred eleven trillion, twenty-one billion, two hundred one million, two hundred thousand, one".