2121022020022 has 16 divisors (see below), whose sum is σ = 3284542800000. Its totient is φ = 1026182329920.

The previous prime is 2121022019999. The next prime is 2121022020037. The reversal of 2121022020022 is 2200202201212.

It is a junction number, because it is equal to n+sod(n) for n = 2121022019978 and 2121022020005.

It is a congruent number.

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, 1435647 + ... + 2510602.

It is an arithmetic number, because the mean of its divisors is an integer number (205283925000).

Almost surely, 2^{2121022020022} is an apocalyptic number.

2121022020022 is a deficient number, since it is larger than the sum of its proper divisors (1163520779978).

2121022020022 is a wasteful number, since it uses less digits than its factorization.

2121022020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954951.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2121022020022 its reverse (2200202201212), we get a palindrome (4321224221234).

The spelling of 2121022020022 in words is "two trillion, one hundred twenty-one billion, twenty-two million, twenty thousand, twenty-two".