2021001222022 has 8 divisors (see below), whose sum is σ = 3038736922200. Its totient is φ = 1008088914624.

The previous prime is 2021001222001. The next prime is 2021001222061. The reversal of 2021001222022 is 2202221001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021001221987 and 2021001222005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205847147 + ... + 1205848822.

It is an arithmetic number, because the mean of its divisors is an integer number (379842115275).

Almost surely, 2^{2021001222022} is an apocalyptic number.

2021001222022 is a deficient number, since it is larger than the sum of its proper divisors (1017735700178).

2021001222022 is a wasteful number, since it uses less digits than its factorization.

2021001222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411696390.

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

Adding to 2021001222022 its reverse (2202221001202), we get a palindrome (4223222223224).

The spelling of 2021001222022 in words is "two trillion, twenty-one billion, one million, two hundred twenty-two thousand, twenty-two".