21403013330112 has 28 divisors (see below), whose sum is σ = 56628806103096. Its totient is φ = 7134337776640.

The previous prime is 21403013330077. The next prime is 21403013330113. The reversal of 21403013330112 is 21103331030412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (21403013330113) 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, 55737013689 + ... + 55737014072.

Almost surely, 2^{21403013330112} is an apocalyptic number.

It is an amenable number.

21403013330112 is an abundant number, since it is smaller than the sum of its proper divisors (35225792772984).

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

21403013330112 is a wasteful number, since it uses less digits than its factorization.

21403013330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111474027776 (or 111474027766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21403013330112 its reverse (21103331030412), we get a palindrome (42506344360524).

The spelling of 21403013330112 in words is "twenty-one trillion, four hundred three billion, thirteen million, three hundred thirty thousand, one hundred twelve".