21311212022301 has 8 divisors (see below), whose sum is σ = 28415611317184. Its totient is φ = 14207143704480.

The previous prime is 21311212022257. The next prime is 21311212022327. The reversal of 21311212022301 is 10322021211312.

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

It is not a de Polignac number, because 21311212022301 - 2¹⁵ = 21311211989533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21311212022201) 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, 82593985 + ... + 82851606.

It is an arithmetic number, because the mean of its divisors is an integer number (3551951414648).

Almost surely, 2^{21311212022301} is an apocalyptic number.

It is an amenable number.

21311212022301 is a deficient number, since it is larger than the sum of its proper divisors (7104399294883).

21311212022301 is a wasteful number, since it uses less digits than its factorization.

21311212022301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165488531.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21311212022301 its reverse (10322021211312), we get a palindrome (31633233233613).

The spelling of 21311212022301 in words is "twenty-one trillion, three hundred eleven billion, two hundred twelve million, twenty-two thousand, three hundred one".