21050015301 has 48 divisors (see below), whose sum is σ = 35714224000. Its totient is φ = 11941800192.

The previous prime is 21050015291. The next prime is 21050015309. The reversal of 21050015301 is 10351005012.

21050015301 is a `hidden beast` number, since 2 + 10 + 500 + 153 + 0 + 1 = 666.

It is not a de Polignac number, because 21050015301 - 2¹¹ = 21050013253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050015309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 404565 + ... + 453621.

Almost surely, 2^21050015301 is an apocalyptic number.

21050015301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21050015301 is a deficient number, since it is larger than the sum of its proper divisors (14664208699).

21050015301 is a wasteful number, since it uses less digits than its factorization.

21050015301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49223 (or 49206 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

It can be divided in two parts, 21050015 and 301, that added together give a triangular number (21050316 = T₆₄₈₈).

The spelling of 21050015301 in words is "twenty-one billion, fifty million, fifteen thousand, three hundred one".