20222021110221 has 16 divisors (see below), whose sum is σ = 34238342620800. Its totient is φ = 11555440634304.

The previous prime is 20222021110211. The next prime is 20222021110253. The reversal of 20222021110221 is 12201112022202.

It is a happy number.

20222021110221 is a `hidden beast` number, since 2 + 0 + 2 + 220 + 211 + 10 + 221 = 666.

It is not a de Polignac number, because 20222021110221 - 2¹⁹ = 20222020585933 is a prime.

It is a super-3 number, since 3×20222021110221³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20222021110194 and 20222021110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222021110211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53497410156 + ... + 53497410533.

It is an arithmetic number, because the mean of its divisors is an integer number (2139896413800).

Almost surely, 2^{20222021110221} is an apocalyptic number.

20222021110221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20222021110221 is a deficient number, since it is larger than the sum of its proper divisors (14016321510579).

20222021110221 is a wasteful number, since it uses less digits than its factorization.

20222021110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106994820705 (or 106994820699 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20222021110221 its reverse (12201112022202), we get a palindrome (32423133132423).

The spelling of 20222021110221 in words is "twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred ten thousand, two hundred twenty-one".