11201212101211 has 16 divisors (see below), whose sum is σ = 13066400456928. Its totient is φ = 9489034432000.

The previous prime is 11201212101187. The next prime is 11201212101223. The reversal of 11201212101211 is 11210121210211.

It is not a de Polignac number, because 11201212101211 - 2⁵ = 11201212101179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201212101271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296513440 + ... + 296551213.

It is an arithmetic number, because the mean of its divisors is an integer number (816650028558).

Almost surely, 2^{11201212101211} is an apocalyptic number.

11201212101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11201212101211 is a deficient number, since it is larger than the sum of its proper divisors (1865188355717).

11201212101211 is a wasteful number, since it uses less digits than its factorization.

11201212101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593064782.

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

Adding to 11201212101211 its reverse (11210121210211), we get a palindrome (22411333311422).

The spelling of 11201212101211 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, two hundred eleven".