21224032514195 has 64 divisors (see below), whose sum is σ = 30856230512640. Its totient is φ = 13681182984192.

The previous prime is 21224032514149. The next prime is 21224032514203. The reversal of 21224032514195 is 59141523042212.

It is a cyclic number.

It is not a de Polignac number, because 21224032514195 - 2¹⁸ = 21224032252051 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 3046362602 + ... + 3046369568.

It is an arithmetic number, because the mean of its divisors is an integer number (482128601760).

Almost surely, 2^{21224032514195} is an apocalyptic number.

21224032514195 is a deficient number, since it is larger than the sum of its proper divisors (9632197998445).

21224032514195 is a wasteful number, since it uses less digits than its factorization.

21224032514195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 21224032514195 in words is "twenty-one trillion, two hundred twenty-four billion, thirty-two million, five hundred fourteen thousand, one hundred ninety-five".