21330212301 has 16 divisors (see below), whose sum is σ = 31668880320. Its totient is φ = 14189286960.

The previous prime is 21330212291. The next prime is 21330212329. The reversal of 21330212301 is 10321203312.

21330212301 is a `hidden beast` number, since 21 + 330 + 2 + 12 + 301 = 666.

It is not a de Polignac number, because 21330212301 - 2⁶ = 21330212237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330219301) 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, 844395 + ... + 869288.

It is an arithmetic number, because the mean of its divisors is an integer number (1979305020).

Almost surely, 2^21330212301 is an apocalyptic number.

It is an amenable number.

21330212301 is a deficient number, since it is larger than the sum of its proper divisors (10338668019).

21330212301 is a wasteful number, since it uses less digits than its factorization.

21330212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714153 (or 1714147 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21330212301 its reverse (10321203312), we get a palindrome (31651415613).

The spelling of 21330212301 in words is "twenty-one billion, three hundred thirty million, two hundred twelve thousand, three hundred one".