20211120112193 has 8 divisors (see below), whose sum is σ = 20224470591336. Its totient is φ = 20197770652800.

The previous prime is 20211120112163. The next prime is 20211120112243. The reversal of 20211120112193 is 39121102111202.

It can be written as a sum of positive squares in 4 ways, for example, as 7636202703424 + 12574917408769 = 2763368^2 + 3546113^2 .

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 20211120112193 - 2¹² = 20211120108097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211120112163) 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, 41666213 + ... + 42148493.

It is an arithmetic number, because the mean of its divisors is an integer number (2528058823917).

Almost surely, 2^{20211120112193} is an apocalyptic number.

It is an amenable number.

20211120112193 is a deficient number, since it is larger than the sum of its proper divisors (13350479143).

20211120112193 is a wasteful number, since it uses less digits than its factorization.

20211120112193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509875.

The product of its (nonzero) digits is 432, while the sum is 26.

Adding to 20211120112193 its reverse (39121102111202), we get a palindrome (59332222223395).

The spelling of 20211120112193 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred ninety-three".