10222120221 has 8 divisors (see below), whose sum is σ = 13645290240. Its totient is φ = 6806848512.

The previous prime is 10222120219. The next prime is 10222120283. The reversal of 10222120221 is 12202122201.

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

It is not a de Polignac number, because 10222120221 - 2¹ = 10222120219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222120921) 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, 1971556 + ... + 1976733.

It is an arithmetic number, because the mean of its divisors is an integer number (1705661280).

Almost surely, 2^10222120221 is an apocalyptic number.

It is an amenable number.

10222120221 is a deficient number, since it is larger than the sum of its proper divisors (3423170019).

10222120221 is an equidigital number, since it uses as much as digits as its factorization.

10222120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949155.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222120221 its reverse (12202122201), we get a palindrome (22424242422).

The spelling of 10222120221 in words is "ten billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".