20021211321301 has 8 divisors (see below), whose sum is σ = 21077098855200. Its totient is φ = 18965537744400.

The previous prime is 20021211321299. The next prime is 20021211321313. The reversal of 20021211321301 is 10312311212002.

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

It is a cyclic number.

It is not a de Polignac number, because 20021211321301 - 2¹ = 20021211321299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021211321361) 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, 53297146 + ... + 53671483.

It is an arithmetic number, because the mean of its divisors is an integer number (2634637356900).

Almost surely, 2^{20021211321301} is an apocalyptic number.

It is an amenable number.

20021211321301 is a deficient number, since it is larger than the sum of its proper divisors (1055887533899).

20021211321301 is a wasteful number, since it uses less digits than its factorization.

20021211321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106978499.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20021211321301 its reverse (10312311212002), we get a palindrome (30333522533303).

The spelling of 20021211321301 in words is "twenty trillion, twenty-one billion, two hundred eleven million, three hundred twenty-one thousand, three hundred one".