10120221382 has 4 divisors (see below), whose sum is σ = 15180332076. Its totient is φ = 5060110690.

The previous prime is 10120221299. The next prime is 10120221383. The reversal of 10120221382 is 28312202101.

10120221382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120221383) 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 as a sum of consecutive naturals, namely, 2530055344 + ... + 2530055347.

It is an arithmetic number, because the mean of its divisors is an integer number (3795083019).

Almost surely, 2^10120221382 is an apocalyptic number.

10120221382 is a deficient number, since it is larger than the sum of its proper divisors (5060110694).

10120221382 is an equidigital number, since it uses as much as digits as its factorization.

10120221382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060110693.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10120221382 its reverse (28312202101), we get a palindrome (38432423483).

The spelling of 10120221382 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, three hundred eighty-two".