11211213112122 has 8 divisors (see below), whose sum is σ = 22422426224256. Its totient is φ = 3737071037372.

The previous prime is 11211213112111. The next prime is 11211213112207. The reversal of 11211213112122 is 22121131211211.

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

11211213112122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934267759338 + ... + 934267759349.

It is an arithmetic number, because the mean of its divisors is an integer number (2802803278032).

Almost surely, 2^{11211213112122} is an apocalyptic number.

11211213112122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211213112122 is a wasteful number, since it uses less digits than its factorization.

11211213112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868535518692.

The product of its digits is 96, while the sum is 21.

Adding to 11211213112122 its reverse (22121131211211), we get a palindrome (33332344323333).

The spelling of 11211213112122 in words is "eleven trillion, two hundred eleven billion, two hundred thirteen million, one hundred twelve thousand, one hundred twenty-two".