20212201211122 has 8 divisors (see below), whose sum is σ = 30321799166700. Its totient is φ = 10104934822224.

The previous prime is 20212201211071. The next prime is 20212201211149. The reversal of 20212201211122 is 22111210221202.

It can be written as a sum of positive squares in 2 ways, for example, as 20122051749121 + 90149462001 = 4485761^2 + 300249^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20212201211122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582869997 + ... + 582904672.

Almost surely, 2^{20212201211122} is an apocalyptic number.

20212201211122 is a deficient number, since it is larger than the sum of its proper divisors (10109597955578).

20212201211122 is a wasteful number, since it uses less digits than its factorization.

20212201211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165783340.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212201211122 its reverse (22111210221202), we get a palindrome (42323411432324).

The spelling of 20212201211122 in words is "twenty trillion, two hundred twelve billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".