21435112030 has 8 divisors (see below), whose sum is σ = 38583201672. Its totient is φ = 8574044808.

The previous prime is 21435112003. The next prime is 21435112033. The reversal of 21435112030 is 3021153412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21435111992 and 21435112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21435112033) 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, 1071755592 + ... + 1071755611.

It is an arithmetic number, because the mean of its divisors is an integer number (4822900209).

Almost surely, 2^21435112030 is an apocalyptic number.

21435112030 is a deficient number, since it is larger than the sum of its proper divisors (17148089642).

21435112030 is a wasteful number, since it uses less digits than its factorization.

21435112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143511210.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 21435112030 its reverse (3021153412), we get a palindrome (24456265442).

The spelling of 21435112030 in words is "twenty-one billion, four hundred thirty-five million, one hundred twelve thousand, thirty".