2021122210022 has 16 divisors (see below), whose sum is σ = 3210045331680. Its totient is φ = 951108125568.

The previous prime is 2021122209989. The next prime is 2021122210033. The reversal of 2021122210022 is 2200122211202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 5842703 + ... + 6178949.

It is an arithmetic number, because the mean of its divisors is an integer number (200627833230).

Almost surely, 2^{2021122210022} is an apocalyptic number.

2021122210022 is a deficient number, since it is larger than the sum of its proper divisors (1188923121658).

2021122210022 is a wasteful number, since it uses less digits than its factorization.

2021122210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513055.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021122210022 its reverse (2200122211202), we get a palindrome (4221244421224).

The spelling of 2021122210022 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred ten thousand, twenty-two".