21030301320133 has 16 divisors (see below), whose sum is σ = 24557835640320. Its totient is φ = 17636464364400.

The previous prime is 21030301320073. The next prime is 21030301320143. The reversal of 21030301320133 is 33102310303012.

It is a de Polignac number, because none of the positive numbers 2^k-21030301320133 is a prime.

It is a super-2 number, since 2×21030301320133² (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 (21030301320143) 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 15 ways as a sum of consecutive naturals, for example, 120578323 + ... + 120752608.

It is an arithmetic number, because the mean of its divisors is an integer number (1534864727520).

Almost surely, 2^{21030301320133} is an apocalyptic number.

It is an amenable number.

21030301320133 is a deficient number, since it is larger than the sum of its proper divisors (3527534320187).

21030301320133 is a wasteful number, since it uses less digits than its factorization.

21030301320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241331208.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21030301320133 its reverse (33102310303012), we get a palindrome (54132611623145).

The spelling of 21030301320133 in words is "twenty-one trillion, thirty billion, three hundred one million, three hundred twenty thousand, one hundred thirty-three".