2022000121221 has 8 divisors (see below), whose sum is σ = 2696010416544. Its totient is φ = 1347994953360.

The previous prime is 2022000121121. The next prime is 2022000121243. The reversal of 2022000121221 is 1221210002202.

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

It is not a de Polignac number, because 2022000121221 - 2¹⁹ = 2021999596933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2022000121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022000121261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240975 + ... + 2025356.

It is an arithmetic number, because the mean of its divisors is an integer number (337001302068).

Almost surely, 2^{2022000121221} is an apocalyptic number.

It is an amenable number.

2022000121221 is a deficient number, since it is larger than the sum of its proper divisors (674010295323).

2022000121221 is a wasteful number, since it uses less digits than its factorization.

2022000121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563731.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2022000121221 its reverse (1221210002202), we get a palindrome (3243210123423).

The spelling of 2022000121221 in words is "two trillion, twenty-two billion, one hundred twenty-one thousand, two hundred twenty-one".