10120222221 has 16 divisors (see below), whose sum is σ = 13557520704. Its totient is φ = 6714941184.

The previous prime is 10120222201. The next prime is 10120222223. The reversal of 10120222221 is 12222202101.

10120222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120222221 - 2⁷ = 10120222093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584931 + ... + 601983.

It is an arithmetic number, because the mean of its divisors is an integer number (847345044).

Almost surely, 2^10120222221 is an apocalyptic number.

It is an amenable number.

10120222221 is a deficient number, since it is larger than the sum of its proper divisors (3437298483).

10120222221 is a wasteful number, since it uses less digits than its factorization.

10120222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980.

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

Adding to 10120222221 its reverse (12222202101), we get a palindrome (22342424322).

The spelling of 10120222221 in words is "ten billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".