11212221021122 has 16 divisors (see below), whose sum is σ = 18347382900000. Its totient is φ = 5096432951040.

The previous prime is 11212221021041. The next prime is 11212221021181. The reversal of 11212221021122 is 22112012221211.

11212221021122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11212221021094 and 11212221021103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340629 + ... + 5282327.

It is an arithmetic number, because the mean of its divisors is an integer number (1146711431250).

Almost surely, 2^{11212221021122} is an apocalyptic number.

11212221021122 is a deficient number, since it is larger than the sum of its proper divisors (7135161878878).

11212221021122 is a wasteful number, since it uses less digits than its factorization.

11212221021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114961.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11212221021122 its reverse (22112012221211), we get a palindrome (33324233242333).

The spelling of 11212221021122 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, twenty-one thousand, one hundred twenty-two".