21030714510133 has 4 divisors (see below), whose sum is σ = 21039822660780. Its totient is φ = 21021606359488.

The previous prime is 21030714510041. The next prime is 21030714510139. The reversal of 21030714510133 is 33101541703012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19274540917284 + 1756173592849 = 4390278^2 + 1325207^2 .

It is a cyclic number.

It is not a de Polignac number, because 21030714510133 - 2¹⁷ = 21030714379061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21030714510095 and 21030714510104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030714510139) 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 3 ways as a sum of consecutive naturals, for example, 4554071860 + ... + 4554076477.

It is an arithmetic number, because the mean of its divisors is an integer number (5259955665195).

Almost surely, 2^{21030714510133} is an apocalyptic number.

It is an amenable number.

21030714510133 is a deficient number, since it is larger than the sum of its proper divisors (9108150647).

21030714510133 is an equidigital number, since it uses as much as digits as its factorization.

21030714510133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108150646.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 21030714510133 in words is "twenty-one trillion, thirty billion, seven hundred fourteen million, five hundred ten thousand, one hundred thirty-three".