11211121000122 has 8 divisors (see below), whose sum is σ = 22422242000256. Its totient is φ = 3737040333372.

The previous prime is 11211121000111. The next prime is 11211121000129. The reversal of 11211121000122 is 22100012111211.

It is a happy number.

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

11211121000122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11211121000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934260083338 + ... + 934260083349.

It is an arithmetic number, because the mean of its divisors is an integer number (2802780250032).

Almost surely, 2^{11211121000122} is an apocalyptic number.

11211121000122 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.

11211121000122 is a wasteful number, since it uses less digits than its factorization.

11211121000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868520166692.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211121000122 its reverse (22100012111211), we get a palindrome (33311133111333).

The spelling of 11211121000122 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.