10111021338 has 32 divisors (see below), whose sum is σ = 22103824320. Its totient is φ = 3057916160.

The previous prime is 10111021331. The next prime is 10111021363. The reversal of 10111021338 is 83312011101.

It is a happy number.

10111021338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10111021331) 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, 116895 + ... + 184082.

It is an arithmetic number, because the mean of its divisors is an integer number (690744510).

Almost surely, 2^10111021338 is an apocalyptic number.

10111021338 is an abundant number, since it is smaller than the sum of its proper divisors (11992802982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111021338 is a wasteful number, since it uses less digits than its factorization.

10111021338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301502.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 10111021338 its reverse (83312011101), we get a palindrome (93423032439).

The spelling of 10111021338 in words is "ten billion, one hundred eleven million, twenty-one thousand, three hundred thirty-eight".