201111211112201 has 8 divisors (see below), whose sum is σ = 216581481971904. Its totient is φ = 185640965637840.

The previous prime is 201111211112183. The next prime is 201111211112243. The reversal of 201111211112201 is 102211112111102.

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 201111211112201 - 2⁶ = 201111211112137 is a prime.

It is a super-2 number, since 2×201111211112201² (a number of 29 digits) contains 22 as substring.

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 201111211112201.

It is not an unprimeable number, because it can be changed into a prime (201111211112291) 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, 12091796 + ... + 23418666.

It is an arithmetic number, because the mean of its divisors is an integer number (27072685246488).

Almost surely, 2^{201111211112201} is an apocalyptic number.

It is an amenable number.

201111211112201 is a deficient number, since it is larger than the sum of its proper divisors (15470270859703).

201111211112201 is a wasteful number, since it uses less digits than its factorization.

201111211112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692671.

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

Adding to 201111211112201 its reverse (102211112111102), we get a palindrome (303322323223303).

The spelling of 201111211112201 in words is "two hundred one trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, two hundred one".