21023012301 has 8 divisors (see below), whose sum is σ = 28449051744. Its totient is φ = 13806157200.

The previous prime is 21023012293. The next prime is 21023012363. The reversal of 21023012301 is 10321032012.

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

It is not a de Polignac number, because 21023012301 - 2³ = 21023012293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023012371) 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, 52295850 + ... + 52296251.

It is an arithmetic number, because the mean of its divisors is an integer number (3556131468).

Almost surely, 2^21023012301 is an apocalyptic number.

It is an amenable number.

21023012301 is a deficient number, since it is larger than the sum of its proper divisors (7426039443).

21023012301 is a wasteful number, since it uses less digits than its factorization.

21023012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104592171.

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

Adding to 21023012301 its reverse (10321032012), we get a palindrome (31344044313).

The spelling of 21023012301 in words is "twenty-one billion, twenty-three million, twelve thousand, three hundred one".