20222022122021 has 16 divisors (see below), whose sum is σ = 20810245678080. Its totient is φ = 19636027776000.

The previous prime is 20222022121979. The next prime is 20222022122041. The reversal of 20222022122021 is 12022122022202.

It is a cyclic number.

It is not a de Polignac number, because 20222022122021 - 2⁶ = 20222022121957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222022121984 and 20222022122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222022122041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41074565 + ... + 41563973.

It is an arithmetic number, because the mean of its divisors is an integer number (1300640354880).

Almost surely, 2^{20222022122021} is an apocalyptic number.

It is an amenable number.

20222022122021 is a deficient number, since it is larger than the sum of its proper divisors (588223556059).

20222022122021 is a wasteful number, since it uses less digits than its factorization.

20222022122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491684.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20222022122021 its reverse (12022122022202), we get a palindrome (32244144144223).

The spelling of 20222022122021 in words is "twenty trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, twenty-one".