21003101301 has 16 divisors (see below), whose sum is σ = 34466628224. Its totient is φ = 11078558784.

The previous prime is 21003101293. The next prime is 21003101303. The reversal of 21003101301 is 10310130012.

It is not a de Polignac number, because 21003101301 - 2³ = 21003101293 is a prime.

It is a super-2 number, since 2×21003101301² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003101303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38466946 + ... + 38467491.

It is an arithmetic number, because the mean of its divisors is an integer number (2154164264).

Almost surely, 2^21003101301 is an apocalyptic number.

21003101301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21003101301 is a deficient number, since it is larger than the sum of its proper divisors (13463526923).

21003101301 is a wasteful number, since it uses less digits than its factorization.

21003101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76934460.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21003101301 its reverse (10310130012), we get a palindrome (31313231313).

The spelling of 21003101301 in words is "twenty-one billion, three million, one hundred one thousand, three hundred one".