21011303222301 has 8 divisors (see below), whose sum is σ = 32017223957824. Its totient is φ = 12006458984160.

The previous prime is 21011303222191. The next prime is 21011303222333. The reversal of 21011303222301 is 10322230311012.

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

It is not a de Polignac number, because 21011303222301 - 2³⁰ = 21010229480477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1000538248681 = 21011303222301 / (2 + 1 + 0 + 1 + 1 + 3 + 0 + 3 + 2 + 2 + 2 + 3 + 0 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011303222401) 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, 500269124320 + ... + 500269124361.

It is an arithmetic number, because the mean of its divisors is an integer number (4002152994728).

Almost surely, 2^{21011303222301} is an apocalyptic number.

21011303222301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21011303222301 is a deficient number, since it is larger than the sum of its proper divisors (11005920735523).

21011303222301 is a wasteful number, since it uses less digits than its factorization.

21011303222301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000538248691.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21011303222301 its reverse (10322230311012), we get a palindrome (31333533533313).

The spelling of 21011303222301 in words is "twenty-one trillion, eleven billion, three hundred three million, two hundred twenty-two thousand, three hundred one".