21601744614124 has 24 divisors (see below), whose sum is σ = 37864303612128. Its totient is φ = 10783373368320.

The previous prime is 21601744614071. The next prime is 21601744614139. The reversal of 21601744614124 is 42141644710612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79413132 + ... + 79684684.

It is an arithmetic number, because the mean of its divisors is an integer number (1577679317172).

Almost surely, 2^{21601744614124} is an apocalyptic number.

It is an amenable number.

21601744614124 is a deficient number, since it is larger than the sum of its proper divisors (16262558998004).

21601744614124 is a wasteful number, since it uses less digits than its factorization.

21601744614124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303705 (or 303703 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 21601744614124 in words is "twenty-one trillion, six hundred one billion, seven hundred forty-four million, six hundred fourteen thousand, one hundred twenty-four".