2020121112194 has 4 divisors (see below), whose sum is σ = 3030181668294. Its totient is φ = 1010060556096.

The previous prime is 2020121112127. The next prime is 2020121112287. The reversal of 2020121112194 is 4912111210202.

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

It can be written as a sum of positive squares in only one way, i.e., 1602692700625 + 417428411569 = 1265975^2 + 646087^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505030278047 + ... + 505030278050.

Almost surely, 2^{2020121112194} is an apocalyptic number.

2020121112194 is a deficient number, since it is larger than the sum of its proper divisors (1010060556100).

2020121112194 is a wasteful number, since it uses less digits than its factorization.

2020121112194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010060556099.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 2020121112194 its reverse (4912111210202), we get a palindrome (6932232322396).

The spelling of 2020121112194 in words is "two trillion, twenty billion, one hundred twenty-one million, one hundred twelve thousand, one hundred ninety-four".