21014345001 has 32 divisors (see below), whose sum is σ = 30984145920. Its totient is φ = 12589153344.

The previous prime is 21014344991. The next prime is 21014345003. The reversal of 21014345001 is 10054341012.

It is not a de Polignac number, because 21014345001 - 2⁶ = 21014344937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21014345003) 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 31 ways as a sum of consecutive naturals, for example, 192670 + ... + 281336.

It is an arithmetic number, because the mean of its divisors is an integer number (968254560).

Almost surely, 2^21014345001 is an apocalyptic number.

It is an amenable number.

21014345001 is a deficient number, since it is larger than the sum of its proper divisors (9969800919).

21014345001 is a wasteful number, since it uses less digits than its factorization.

21014345001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88845.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 21014345001 its reverse (10054341012), we get a palindrome (31068686013).

The spelling of 21014345001 in words is "twenty-one billion, fourteen million, three hundred forty-five thousand, one".