20201222211122 has 16 divisors (see below), whose sum is σ = 31972792370400. Its totient is φ = 9546162278400.

The previous prime is 20201222211061. The next prime is 20201222211139. The reversal of 20201222211122 is 22111222210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201222211094 and 20201222211103.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 634364879 + ... + 634396722.

It is an arithmetic number, because the mean of its divisors is an integer number (1998299523150).

Almost surely, 2^{20201222211122} is an apocalyptic number.

20201222211122 is a deficient number, since it is larger than the sum of its proper divisors (11771570159278).

20201222211122 is a wasteful number, since it uses less digits than its factorization.

20201222211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268762041.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20201222211122 its reverse (22111222210202), we get a palindrome (42312444421324).

The spelling of 20201222211122 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".