11111211200211 has 8 divisors (see below), whose sum is σ = 14826335626704. Its totient is φ = 7401780453600.

The previous prime is 11111211200027. The next prime is 11111211200233. The reversal of 11111211200211 is 11200211211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11111211200211 - 2¹⁸ = 11111210938067 is a prime.

It is a super-3 number, since 3×11111211200211³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11111211200911) 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, 1423415416 + ... + 1423423221.

It is an arithmetic number, because the mean of its divisors is an integer number (1853291953338).

Almost surely, 2^{11111211200211} is an apocalyptic number.

11111211200211 is a deficient number, since it is larger than the sum of its proper divisors (3715124426493).

11111211200211 is a wasteful number, since it uses less digits than its factorization.

11111211200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846839941.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11111211200211 its reverse (11200211211111), we get a palindrome (22311422411322).

The spelling of 11111211200211 in words is "eleven trillion, one hundred eleven billion, two hundred eleven million, two hundred thousand, two hundred eleven".