21323014101 has 8 divisors (see below), whose sum is σ = 31589650560. Its totient is φ = 14215342716.

The previous prime is 21323014093. The next prime is 21323014151. The reversal of 21323014101 is 10141032312.

21323014101 is a `hidden beast` number, since 21 + 3 + 230 + 1 + 410 + 1 = 666.

It is not a de Polignac number, because 21323014101 - 2³ = 21323014093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323014151) 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, 394870605 + ... + 394870658.

It is an arithmetic number, because the mean of its divisors is an integer number (3948706320).

Almost surely, 2^21323014101 is an apocalyptic number.

It is an amenable number.

21323014101 is a deficient number, since it is larger than the sum of its proper divisors (10266636459).

21323014101 is an equidigital number, since it uses as much as digits as its factorization.

21323014101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789741272 (or 789741266 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21323014101 its reverse (10141032312), we get a palindrome (31464046413).

The spelling of 21323014101 in words is "twenty-one billion, three hundred twenty-three million, fourteen thousand, one hundred one".