20222101122221 has 8 divisors (see below), whose sum is σ = 20696479456224. Its totient is φ = 19747909011600.

The previous prime is 20222101122217. The next prime is 20222101122247. The reversal of 20222101122221 is 12222110122202.

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 20222101122221 - 2² = 20222101122217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20222101122193 and 20222101122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222101122521) 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, 46336106 + ... + 46770491.

It is an arithmetic number, because the mean of its divisors is an integer number (2587059932028).

Almost surely, 2^{20222101122221} is an apocalyptic number.

It is an amenable number.

20222101122221 is a deficient number, since it is larger than the sum of its proper divisors (474378334003).

20222101122221 is an equidigital number, since it uses as much as digits as its factorization.

20222101122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93111691.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222101122221 its reverse (12222110122202), we get a palindrome (32444211244423).

The spelling of 20222101122221 in words is "twenty trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-one".