21402010113430 has 16 divisors (see below), whose sum is σ = 38524403539440. Its totient is φ = 8560629526432.

The previous prime is 21402010113427. The next prime is 21402010113437. The reversal of 21402010113430 is 3431101020412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21402010113437) 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, 21299224 + ... + 22281403.

It is an arithmetic number, because the mean of its divisors is an integer number (2407775221215).

Almost surely, 2^{21402010113430} is an apocalyptic number.

21402010113430 is a deficient number, since it is larger than the sum of its proper divisors (17122393426010).

21402010113430 is a wasteful number, since it uses less digits than its factorization.

21402010113430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43629743.

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

Adding to 21402010113430 its reverse (3431101020412), we get a palindrome (24833111133842).

The spelling of 21402010113430 in words is "twenty-one trillion, four hundred two billion, ten million, one hundred thirteen thousand, four hundred thirty".