10022122220221 has 4 divisors (see below), whose sum is σ = 10025852078592. Its totient is φ = 10018392361852.

The previous prime is 10022122220203. The next prime is 10022122220251. The reversal of 10022122220221 is 12202222122001.

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 a cyclic number.

It is not a de Polignac number, because 10022122220221 - 2²¹ = 10022120123069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022122220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864925155 + ... + 1864930528.

It is an arithmetic number, because the mean of its divisors is an integer number (2506463019648).

Almost surely, 2^{10022122220221} is an apocalyptic number.

It is an amenable number.

10022122220221 is a deficient number, since it is larger than the sum of its proper divisors (3729858371).

10022122220221 is an equidigital number, since it uses as much as digits as its factorization.

10022122220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729858370.

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

Adding to 10022122220221 its reverse (12202222122001), we get a palindrome (22224344342222).

The spelling of 10022122220221 in words is "ten trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".