20222010212221 has 8 divisors (see below), whose sum is σ = 21286653708320. Its totient is φ = 19157399433072.

The previous prime is 20222010212197. The next prime is 20222010212237. The reversal of 20222010212221 is 12221201022202.

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

It is not a de Polignac number, because 20222010212221 - 2¹³ = 20222010204029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222010212251) 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, 6905430 + ... + 9387703.

It is an arithmetic number, because the mean of its divisors is an integer number (2660831713540).

Almost surely, 2^{20222010212221} is an apocalyptic number.

It is an amenable number.

20222010212221 is a deficient number, since it is larger than the sum of its proper divisors (1064643496099).

20222010212221 is a wasteful number, since it uses less digits than its factorization.

20222010212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16358475.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222010212221 its reverse (12221201022202), we get a palindrome (32443211234423).

The spelling of 20222010212221 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred twenty-one".