11121112120211 has 8 divisors (see below), whose sum is σ = 11385501061440. Its totient is φ = 10857880243008.

The previous prime is 11121112120207. The next prime is 11121112120213. The reversal of 11121112120211 is 11202121112111.

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

It is a cyclic number.

It is not a de Polignac number, because 11121112120211 - 2² = 11121112120207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121112120211.

It is not an unprimeable number, because it can be changed into a prime (11121112120213) 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, 289246556 + ... + 289285001.

It is an arithmetic number, because the mean of its divisors is an integer number (1423187632680).

Almost surely, 2^{11121112120211} is an apocalyptic number.

11121112120211 is a deficient number, since it is larger than the sum of its proper divisors (264388941229).

11121112120211 is an equidigital number, since it uses as much as digits as its factorization.

11121112120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578532013.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11121112120211 its reverse (11202121112111), we get a palindrome (22323233232322).

The spelling of 11121112120211 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, two hundred eleven".