11201201222211 has 192 divisors, whose sum is σ = 22143784126464. Its totient is φ = 5267394662400.

The previous prime is 11201201222137. The next prime is 11201201222243. The reversal of 11201201222211 is 11222210210211.

11201201222211 is a `hidden beast` number, since 11 + 20 + 1 + 201 + 222 + 211 = 666.

It is not a de Polignac number, because 11201201222211 - 2²² = 11201197027907 is a prime.

It is a super-2 number, since 2×11201201222211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11201201222011) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1386111691 + ... + 1386119771.

It is an arithmetic number, because the mean of its divisors is an integer number (115332208992).

Almost surely, 2^{11201201222211} is an apocalyptic number.

11201201222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11201201222211 is a deficient number, since it is larger than the sum of its proper divisors (10942582904253).

11201201222211 is a wasteful number, since it uses less digits than its factorization.

11201201222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201201222211 its reverse (11222210210211), we get a palindrome (22423411432422).

The spelling of 11201201222211 in words is "eleven trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".