21311012333301 has 8 divisors (see below), whose sum is σ = 28414746790080. Its totient is φ = 14207309716032.

The previous prime is 21311012333267. The next prime is 21311012333333. The reversal of 21311012333301 is 10333321011312.

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

It is not a de Polignac number, because 21311012333301 - 2¹⁸ = 21311012071157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21311012333381) 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, 6351700 + ... + 9108573.

It is an arithmetic number, because the mean of its divisors is an integer number (3551843348760).

Almost surely, 2^{21311012333301} is an apocalyptic number.

It is an amenable number.

21311012333301 is a deficient number, since it is larger than the sum of its proper divisors (7103734456779).

21311012333301 is a wasteful number, since it uses less digits than its factorization.

21311012333301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15919755.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21311012333301 its reverse (10333321011312), we get a palindrome (31644333344613).

The spelling of 21311012333301 in words is "twenty-one trillion, three hundred eleven billion, twelve million, three hundred thirty-three thousand, three hundred one".