20221121410021 has 8 divisors (see below), whose sum is σ = 23136756251840. Its totient is φ = 17312212371168.

The previous prime is 20221121410019. The next prime is 20221121410037. The reversal of 20221121410021 is 12001412112202.

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

It is a cyclic number.

It is not a de Polignac number, because 20221121410021 - 2¹ = 20221121410019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221121420021) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1681444296 + ... + 1681456321.

It is an arithmetic number, because the mean of its divisors is an integer number (2892094531480).

Almost surely, 2^{20221121410021} is an apocalyptic number.

It is an amenable number.

20221121410021 is a deficient number, since it is larger than the sum of its proper divisors (2915634841819).

20221121410021 is an equidigital number, since it uses as much as digits as its factorization.

20221121410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362901483.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20221121410021 its reverse (12001412112202), we get a palindrome (32222533522223).

The spelling of 20221121410021 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, four hundred ten thousand, twenty-one".