21332230101 has 24 divisors (see below), whose sum is σ = 37923966080. Its totient is φ = 11252164896.

The previous prime is 21332230067. The next prime is 21332230109. The reversal of 21332230101 is 10103223312.

21332230101 is a `hidden beast` number, since 2 + 1 + 332 + 230 + 101 = 666.

It is not a de Polignac number, because 21332230101 - 2¹¹ = 21332228053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332230109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13022521 + ... + 13024158.

Almost surely, 2^21332230101 is an apocalyptic number.

21332230101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21332230101 is a deficient number, since it is larger than the sum of its proper divisors (16591735979).

21332230101 is a wasteful number, since it uses less digits than its factorization.

21332230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26046705 (or 26046702 counting only the distinct ones).

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

Adding to 21332230101 its reverse (10103223312), we get a palindrome (31435453413).

The spelling of 21332230101 in words is "twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, one hundred one".