201200212001111 has 4 divisors (see below), whose sum is σ = 201808067626824. Its totient is φ = 200592356375400.

The previous prime is 201200212001069. The next prime is 201200212001147. The reversal of 201200212001111 is 111100212002102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201200212001111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200212001611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303927812360 + ... + 303927813021.

It is an arithmetic number, because the mean of its divisors is an integer number (50452016906706).

Almost surely, 2^{201200212001111} is an apocalyptic number.

201200212001111 is a deficient number, since it is larger than the sum of its proper divisors (607855625713).

201200212001111 is an equidigital number, since it uses as much as digits as its factorization.

201200212001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607855625712.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201200212001111 its reverse (111100212002102), we get a palindrome (312300424003213).

Subtracting from 201200212001111 its reverse (111100212002102), we obtain a palindrome (90099999999009).

The spelling of 201200212001111 in words is "two hundred one trillion, two hundred billion, two hundred twelve million, one thousand, one hundred eleven".