112121420403 has 16 divisors (see below), whose sum is σ = 154518425600. Its totient is φ = 72242288640.

The previous prime is 112121420401. The next prime is 112121420419. The reversal of 112121420403 is 304024121211.

It is not a de Polignac number, because 112121420403 - 2¹ = 112121420401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112121420403.

It is not an unprimeable number, because it can be changed into a prime (112121420401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712363 + ... + 855396.

It is an arithmetic number, because the mean of its divisors is an integer number (9657401600).

Almost surely, 2^112121420403 is an apocalyptic number.

112121420403 is a deficient number, since it is larger than the sum of its proper divisors (42397005197).

112121420403 is a wasteful number, since it uses less digits than its factorization.

112121420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568562.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 112121420403 its reverse (304024121211), we get a palindrome (416145541614).

The spelling of 112121420403 in words is "one hundred twelve billion, one hundred twenty-one million, four hundred twenty thousand, four hundred three".