21034512141 has 8 divisors (see below), whose sum is σ = 28178936544. Its totient is φ = 13956547920.

The previous prime is 21034512127. The next prime is 21034512151. The reversal of 21034512141 is 14121543012.

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

It is not a de Polignac number, because 21034512141 - 2⁷ = 21034512013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034512101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16614306 + ... + 16615571.

It is an arithmetic number, because the mean of its divisors is an integer number (3522367068).

Almost surely, 2^21034512141 is an apocalyptic number.

It is an amenable number.

21034512141 is a deficient number, since it is larger than the sum of its proper divisors (7144424403).

21034512141 is a wasteful number, since it uses less digits than its factorization.

21034512141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230091.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 21034512141 in words is "twenty-one billion, thirty-four million, five hundred twelve thousand, one hundred forty-one".