111211202111201 has 8 divisors (see below), whose sum is σ = 111367710300000. Its totient is φ = 111054724807680.

The previous prime is 111211202111183. The next prime is 111211202111237. The reversal of 111211202111201 is 102111202112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211202111201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111211202111201.

It is not an unprimeable number, because it can be changed into a prime (111211202111281) 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, 509951 + ... + 14922548.

It is an arithmetic number, because the mean of its divisors is an integer number (13920963787500).

Almost surely, 2^{111211202111201} is an apocalyptic number.

It is an amenable number.

111211202111201 is a deficient number, since it is larger than the sum of its proper divisors (156508188799).

111211202111201 is an equidigital number, since it uses as much as digits as its factorization.

111211202111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442639.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111211202111201 its reverse (102111202112111), we get a palindrome (213322404223312).

The spelling of 111211202111201 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred eleven thousand, two hundred one".