21014030009999 has 16 divisors (see below), whose sum is σ = 23243400889632. Its totient is φ = 18872274665088.

The previous prime is 21014030009977. The next prime is 21014030010041. The reversal of 21014030009999 is 99990003041012.

It is not a de Polignac number, because 21014030009999 - 2²⁸ = 21013761574543 is a prime.

It is a super-2 number, since 2×21014030009999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014030009099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7670312 + ... + 10042994.

It is an arithmetic number, because the mean of its divisors is an integer number (1452712555602).

Almost surely, 2^{21014030009999} is an apocalyptic number.

21014030009999 is a deficient number, since it is larger than the sum of its proper divisors (2229370879633).

21014030009999 is a wasteful number, since it uses less digits than its factorization.

21014030009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391146.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 21014030009999 in words is "twenty-one trillion, fourteen billion, thirty million, nine thousand, nine hundred ninety-nine".