21134030204130 has 32 divisors (see below), whose sum is σ = 50742658047744. Its totient is φ = 5633409659136.

The previous prime is 21134030204101. The next prime is 21134030204207. The reversal of 21134030204130 is 3140203043112.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21134030204130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145659322 + ... + 145804341.

It is an arithmetic number, because the mean of its divisors is an integer number (1585708063992).

Almost surely, 2^{21134030204130} is an apocalyptic number.

21134030204130 is an abundant number, since it is smaller than the sum of its proper divisors (29608627843614).

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

21134030204130 is a wasteful number, since it uses less digits than its factorization.

21134030204130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291466090.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21134030204130 its reverse (3140203043112), we get a palindrome (24274233247242).

The spelling of 21134030204130 in words is "twenty-one trillion, one hundred thirty-four billion, thirty million, two hundred four thousand, one hundred thirty".