21323003101 has 8 divisors (see below), whose sum is σ = 22059907200. Its totient is φ = 20586207600.

The previous prime is 21323003057. The next prime is 21323003131. The reversal of 21323003101 is 10130032312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21323003101 - 2¹⁷ = 21322872029 is a prime.

It is a super-2 number, since 2×21323003101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323003131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743376 + ... + 771526.

It is an arithmetic number, because the mean of its divisors is an integer number (2757488400).

Almost surely, 2^21323003101 is an apocalyptic number.

It is an amenable number.

21323003101 is a deficient number, since it is larger than the sum of its proper divisors (736904099).

21323003101 is a wasteful number, since it uses less digits than its factorization.

21323003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54299.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21323003101 its reverse (10130032312), we get a palindrome (31453035413).

The spelling of 21323003101 in words is "twenty-one billion, three hundred twenty-three million, three thousand, one hundred one".