15112102021112 has 16 divisors (see below), whose sum is σ = 28350191419200. Its totient is φ = 7552050976000.

The previous prime is 15112102021111. The next prime is 15112102021183. The reversal of 15112102021112 is 21112020121151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112102021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499988264 + ... + 500018487.

It is an arithmetic number, because the mean of its divisors is an integer number (1771886963700).

Almost surely, 2^{15112102021112} is an apocalyptic number.

It is an amenable number.

15112102021112 is a deficient number, since it is larger than the sum of its proper divisors (13238089398088).

15112102021112 is a wasteful number, since it uses less digits than its factorization.

15112102021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000008646 (or 1000008642 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 20.

Adding to 15112102021112 its reverse (21112020121151), we get a palindrome (36224122142263).

The spelling of 15112102021112 in words is "fifteen trillion, one hundred twelve billion, one hundred two million, twenty-one thousand, one hundred twelve".