21112141130430 has 96 divisors (see below), whose sum is σ = 59077776842784. Its totient is φ = 4814487465984.

The previous prime is 21112141130419. The next prime is 21112141130453. The reversal of 21112141130430 is 3403114121112.

It is a super-2 number, since 2×21112141130430² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21112141130430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15947787 + ... + 17220806.

It is an arithmetic number, because the mean of its divisors is an integer number (615393508779).

Almost surely, 2^{21112141130430} is an apocalyptic number.

21112141130430 is an abundant number, since it is smaller than the sum of its proper divisors (37965635712354).

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

21112141130430 is a wasteful number, since it uses less digits than its factorization.

21112141130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33169050 (or 33169043 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 21112141130430 its reverse (3403114121112), we get a palindrome (24515255251542).

The spelling of 21112141130430 in words is "twenty-one trillion, one hundred twelve billion, one hundred forty-one million, one hundred thirty thousand, four hundred thirty".