20212211211122 has 32 divisors (see below), whose sum is σ = 35768108006400. Its totient is φ = 8382739170240.

The previous prime is 20212211211089. The next prime is 20212211211131. The reversal of 20212211211122 is 22111211221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212211211094 and 20212211211103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17829608 + ... + 18929324.

It is an arithmetic number, because the mean of its divisors is an integer number (1117753375200).

Almost surely, 2^{20212211211122} is an apocalyptic number.

20212211211122 is a deficient number, since it is larger than the sum of its proper divisors (15555896795278).

20212211211122 is a wasteful number, since it uses less digits than its factorization.

20212211211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142106.

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

Adding to 20212211211122 its reverse (22111211221202), we get a palindrome (42323422432324).

The spelling of 20212211211122 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty-two".