20222121002022 has 96 divisors (see below), whose sum is σ = 44383285717056. Its totient is φ = 6653636640000.

The previous prime is 20222121002009. The next prime is 20222121002023. The reversal of 20222121002022 is 22020012122202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20222121001986 and 20222121002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222121002023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3628585228 + ... + 3628590800.

It is an arithmetic number, because the mean of its divisors is an integer number (462325892886).

Almost surely, 2^{20222121002022} is an apocalyptic number.

20222121002022 is an abundant number, since it is smaller than the sum of its proper divisors (24161164715034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222121002022 is a wasteful number, since it uses less digits than its factorization.

20222121002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222121002022 its reverse (22020012122202), we get a palindrome (42242133124224).

The spelling of 20222121002022 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, two thousand, twenty-two".