10221121112 has 16 divisors (see below), whose sum is σ = 19168053840. Its totient is φ = 5109640096.

The previous prime is 10221121111. The next prime is 10221121147. The reversal of 10221121112 is 21112112201.

10221121112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221121111) 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 3 ways as a sum of consecutive naturals, for example, 66668 + ... + 157755.

It is an arithmetic number, because the mean of its divisors is an integer number (1198003365).

Almost surely, 2^10221121112 is an apocalyptic number.

It is an amenable number.

10221121112 is a deficient number, since it is larger than the sum of its proper divisors (8946932728).

10221121112 is a wasteful number, since it uses less digits than its factorization.

10221121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230122 (or 230118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221121112 its reverse (21112112201), we get a palindrome (31333233313).

It can be divided in two parts, 10 and 221121112, that added together give a palindrome (221121122).

The spelling of 10221121112 in words is "ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".