2021122202022 has 384 divisors, whose sum is σ = 5881973760000. Its totient is φ = 495837961920.

The previous prime is 2021122201999. The next prime is 2021122202039. The reversal of 2021122202022 is 2202022211202.

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 = 2021122201986 and 2021122202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 463239213 + ... + 463243575.

It is an arithmetic number, because the mean of its divisors is an integer number (15317640000).

Almost surely, 2^{2021122202022} is an apocalyptic number.

2021122202022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021122202022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940986880000).

2021122202022 is an abundant number, since it is smaller than the sum of its proper divisors (3860851557978).

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

2021122202022 is a wasteful number, since it uses less digits than its factorization.

2021122202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4764 counting only the distinct ones).

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

Adding to 2021122202022 its reverse (2202022211202), we get a palindrome (4223144413224).

The spelling of 2021122202022 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred two thousand, twenty-two".