11222021122122 has 16 divisors (see below), whose sum is σ = 23625307625760. Its totient is φ = 3543796143792.

The previous prime is 11222021122097. The next prime is 11222021122187. The reversal of 11222021122122 is 22122112022211.

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, 49219390773 + ... + 49219391000.

It is an arithmetic number, because the mean of its divisors is an integer number (1476581726610).

Almost surely, 2^{11222021122122} is an apocalyptic number.

11222021122122 is an abundant number, since it is smaller than the sum of its proper divisors (12403286503638).

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

11222021122122 is a wasteful number, since it uses less digits than its factorization.

11222021122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98438781797.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11222021122122 its reverse (22122112022211), we get a palindrome (33344133144333).

The spelling of 11222021122122 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".