20212122021122 has 16 divisors (see below), whose sum is σ = 30607723020672. Its totient is φ = 10009585906320.

The previous prime is 20212122021107. The next prime is 20212122021139. The reversal of 20212122021122 is 22112022121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212122021094 and 20212122021103.

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, 8496029 + ... + 10611632.

It is an arithmetic number, because the mean of its divisors is an integer number (1912982688792).

Almost surely, 2^{20212122021122} is an apocalyptic number.

20212122021122 is a deficient number, since it is larger than the sum of its proper divisors (10395600999550).

20212122021122 is a wasteful number, since it uses less digits than its factorization.

20212122021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19112713.

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

Adding to 20212122021122 its reverse (22112022121202), we get a palindrome (42324144142324).

The spelling of 20212122021122 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".