10120221112 has 8 divisors (see below), whose sum is σ = 18975414600. Its totient is φ = 5060110552.

The previous prime is 10120221071. The next prime is 10120221113. The reversal of 10120221112 is 21112202101.

10120221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10120221092 and 10120221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120221113) 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, 632513812 + ... + 632513827.

It is an arithmetic number, because the mean of its divisors is an integer number (2371926825).

Almost surely, 2^10120221112 is an apocalyptic number.

It is an amenable number.

10120221112 is a deficient number, since it is larger than the sum of its proper divisors (8855193488).

10120221112 is a wasteful number, since it uses less digits than its factorization.

10120221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265027645 (or 1265027641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10120221112 its reverse (21112202101), we get a palindrome (31232423213).

The spelling of 10120221112 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twelve".