20211120112194 has 36 divisors (see below), whose sum is σ = 48133645561638. Its totient is φ = 6124581851520.

The previous prime is 20211120112163. The next prime is 20211120112243. The reversal of 20211120112194 is 49121102111202.

It can be written as a sum of positive squares in only one way, i.e., 16568034048225 + 3643086063969 = 4070385^2 + 1908687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4639832559 + ... + 4639836914.

Almost surely, 2^{20211120112194} is an apocalyptic number.

20211120112194 is an abundant number, since it is smaller than the sum of its proper divisors (27922525449444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211120112194 is a wasteful number, since it uses less digits than its factorization.

20211120112194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279669503 (or 9279669489 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

Adding to 20211120112194 its reverse (49121102111202), we get a palindrome (69332222223396).

The spelling of 20211120112194 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred ninety-four".