21007112759601 has 8 divisors (see below), whose sum is σ = 28010020458144. Its totient is φ = 14004473450400.

The previous prime is 21007112759587. The next prime is 21007112759683. The reversal of 21007112759601 is 10695721170012.

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

It is not a de Polignac number, because 21007112759601 - 2⁵ = 21007112759569 is a prime.

It is a super-2 number, since 2×21007112759601² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21007112758601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66914631 + ... + 67227836.

It is an arithmetic number, because the mean of its divisors is an integer number (3501252557268).

Almost surely, 2^{21007112759601} is an apocalyptic number.

It is an amenable number.

21007112759601 is a deficient number, since it is larger than the sum of its proper divisors (7002907698543).

21007112759601 is a wasteful number, since it uses less digits than its factorization.

21007112759601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134194671.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 21007112759601 in words is "twenty-one trillion, seven billion, one hundred twelve million, seven hundred fifty-nine thousand, six hundred one".