11111201202211 has 32 divisors (see below), whose sum is σ = 12480411545280. Its totient is φ = 9804452659200.

The previous prime is 11111201202203. The next prime is 11111201202239. The reversal of 11111201202211 is 11220210211111.

It is a cyclic number.

It is not a de Polignac number, because 11111201202211 - 2³ = 11111201202203 is a prime.

It is a super-2 number, since 2×11111201202211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111201209211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96029085 + ... + 96144721.

It is an arithmetic number, because the mean of its divisors is an integer number (390012860790).

Almost surely, 2^{11111201202211} is an apocalyptic number.

11111201202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111201202211 is a deficient number, since it is larger than the sum of its proper divisors (1369210343069).

11111201202211 is a wasteful number, since it uses less digits than its factorization.

11111201202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116775.

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

Adding to 11111201202211 its reverse (11220210211111), we get a palindrome (22331411413322).

The spelling of 11111201202211 in words is "eleven trillion, one hundred eleven billion, two hundred one million, two hundred two thousand, two hundred eleven".