2021021202022 has 4 divisors (see below), whose sum is σ = 3031531803036. Its totient is φ = 1010510601010.

The previous prime is 2021021202001. The next prime is 2021021202043. The reversal of 2021021202022 is 2202021201202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2021021202001) and next prime (2021021202043).

It is a junction number, because it is equal to n+sod(n) for n = 2021021201987 and 2021021202005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505255300504 + ... + 505255300507.

It is an arithmetic number, because the mean of its divisors is an integer number (757882950759).

Almost surely, 2^{2021021202022} is an apocalyptic number.

2021021202022 is a deficient number, since it is larger than the sum of its proper divisors (1010510601014).

2021021202022 is a wasteful number, since it uses less digits than its factorization.

2021021202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010510601013.

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

Adding to 2021021202022 its reverse (2202021201202), we get a palindrome (4223042403224).

The spelling of 2021021202022 in words is "two trillion, twenty-one billion, twenty-one million, two hundred two thousand, twenty-two".