20211020221094 has 8 divisors (see below), whose sum is σ = 30318274015848. Its totient is φ = 10104928882480.

The previous prime is 20211020221039. The next prime is 20211020221103. The reversal of 20211020221094 is 49012202011202.

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

It is a congruent number.

It is an unprimeable number.

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, 290570567 + ... + 290640114.

It is an arithmetic number, because the mean of its divisors is an integer number (3789784251981).

Almost surely, 2^{20211020221094} is an apocalyptic number.

20211020221094 is a deficient number, since it is larger than the sum of its proper divisors (10107253794754).

20211020221094 is a wasteful number, since it uses less digits than its factorization.

20211020221094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581228070.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 20211020221094 its reverse (49012202011202), we get a palindrome (69223222232296).

The spelling of 20211020221094 in words is "twenty trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, ninety-four".