20102321322211 has 4 divisors (see below), whose sum is σ = 20103929906472. Its totient is φ = 20100712737952.

The previous prime is 20102321322179. The next prime is 20102321322257. The reversal of 20102321322211 is 11222312320102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20102321322211 - 2⁵ = 20102321322179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102321332211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804273385 + ... + 804298378.

It is an arithmetic number, because the mean of its divisors is an integer number (5025982476618).

Almost surely, 2^{20102321322211} is an apocalyptic number.

20102321322211 is a deficient number, since it is larger than the sum of its proper divisors (1608584261).

20102321322211 is a wasteful number, since it uses less digits than its factorization.

20102321322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608584260.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20102321322211 its reverse (11222312320102), we get a palindrome (31324633642313).

The spelling of 20102321322211 in words is "twenty trillion, one hundred two billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred eleven".