21302003421112 has 16 divisors (see below), whose sum is σ = 39943553073840. Its totient is φ = 10650389268096.

The previous prime is 21302003421089. The next prime is 21302003421113. The reversal of 21302003421112 is 21112430020312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302003421113) 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, 76407468 + ... + 76685755.

It is an arithmetic number, because the mean of its divisors is an integer number (2496472067115).

Almost surely, 2^{21302003421112} is an apocalyptic number.

It is an amenable number.

21302003421112 is a deficient number, since it is larger than the sum of its proper divisors (18641549652728).

21302003421112 is a wasteful number, since it uses less digits than its factorization.

21302003421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153110622 (or 153110618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21302003421112 its reverse (21112430020312), we get a palindrome (42414433441424).

The spelling of 21302003421112 in words is "twenty-one trillion, three hundred two billion, three million, four hundred twenty-one thousand, one hundred twelve".