20211302211101 has 4 divisors (see below), whose sum is σ = 20218264426272. Its totient is φ = 20204339995932.

The previous prime is 20211302211083. The next prime is 20211302211143. The reversal of 20211302211101 is 10111220311202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211302211101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211302211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211302211301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481103231 + ... + 3481109036.

It is an arithmetic number, because the mean of its divisors is an integer number (5054566106568).

Almost surely, 2^{20211302211101} is an apocalyptic number.

It is an amenable number.

20211302211101 is a deficient number, since it is larger than the sum of its proper divisors (6962215171).

20211302211101 is an equidigital number, since it uses as much as digits as its factorization.

20211302211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962215170.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20211302211101 its reverse (10111220311202), we get a palindrome (30322522522303).

The spelling of 20211302211101 in words is "twenty trillion, two hundred eleven billion, three hundred two million, two hundred eleven thousand, one hundred one".