21010432142230 has 16 divisors (see below), whose sum is σ = 37822957351200. Its totient is φ = 8403244080192.

The previous prime is 21010432142179. The next prime is 21010432142237. The reversal of 21010432142230 is 3224123401012.

It is a junction number, because it is equal to n+sod(n) for n = 21010432142195 and 21010432142204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010432142237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116002074 + ... + 116183053.

It is an arithmetic number, because the mean of its divisors is an integer number (2363934834450).

Almost surely, 2^{21010432142230} is an apocalyptic number.

21010432142230 is a deficient number, since it is larger than the sum of its proper divisors (16812525208970).

21010432142230 is a wasteful number, since it uses less digits than its factorization.

21010432142230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232194183.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21010432142230 its reverse (3224123401012), we get a palindrome (24234555543242).

The spelling of 21010432142230 in words is "twenty-one trillion, ten billion, four hundred thirty-two million, one hundred forty-two thousand, two hundred thirty".