2022021020121 has 8 divisors (see below), whose sum is σ = 2696566929120. Its totient is φ = 1347744562272.

The previous prime is 2022021020111. The next prime is 2022021020233. The reversal of 2022021020121 is 1210201202202.

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

It is a de Polignac number, because none of the positive numbers 2^k-2022021020121 is a prime.

It is a super-2 number, since 2×2022021020121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2022021020121.

It is not an unprimeable number, because it can be changed into a prime (2022021020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67345276 + ... + 67375293.

It is an arithmetic number, because the mean of its divisors is an integer number (337070866140).

Almost surely, 2^{2022021020121} is an apocalyptic number.

It is an amenable number.

2022021020121 is a deficient number, since it is larger than the sum of its proper divisors (674545908999).

2022021020121 is a wasteful number, since it uses less digits than its factorization.

2022021020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134725575.

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

Adding to 2022021020121 its reverse (1210201202202), we get a palindrome (3232222222323).

The spelling of 2022021020121 in words is "two trillion, twenty-two billion, twenty-one million, twenty thousand, one hundred twenty-one".