21032230101 has 48 divisors (see below), whose sum is σ = 30984811200. Its totient is φ = 12653853696.

The previous prime is 21032230091. The next prime is 21032230159. The reversal of 21032230101 is 10103223012.

It is not a de Polignac number, because 21032230101 - 2²² = 21028035797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032230171) 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, 8109861 + ... + 8112453.

It is an arithmetic number, because the mean of its divisors is an integer number (645516900).

Almost surely, 2^21032230101 is an apocalyptic number.

It is an amenable number.

21032230101 is a deficient number, since it is larger than the sum of its proper divisors (9952581099).

21032230101 is a wasteful number, since it uses less digits than its factorization.

21032230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21032230101 its reverse (10103223012), we get a palindrome (31135453113).

The spelling of 21032230101 in words is "twenty-one billion, thirty-two million, two hundred thirty thousand, one hundred one".