10222221222021 has 4 divisors (see below), whose sum is σ = 13629628296032. Its totient is φ = 6814814148012.

The previous prime is 10222221221983. The next prime is 10222221222089. The reversal of 10222221222021 is 12022212222201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10222221222021 - 2²² = 10222217027717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222221222821) 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 3 ways as a sum of consecutive naturals, for example, 1703703537001 + ... + 1703703537006.

It is an arithmetic number, because the mean of its divisors is an integer number (3407407074008).

Almost surely, 2^{10222221222021} is an apocalyptic number.

It is an amenable number.

10222221222021 is a deficient number, since it is larger than the sum of its proper divisors (3407407074011).

10222221222021 is an equidigital number, since it uses as much as digits as its factorization.

10222221222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407407074010.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10222221222021 its reverse (12022212222201), we get a palindrome (22244433444222).

The spelling of 10222221222021 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".