20212110121194 has 24 divisors (see below), whose sum is σ = 43794209197440. Its totient is φ = 6737169435048.

The previous prime is 20212110121157. The next prime is 20212110121237. The reversal of 20212110121194 is 49112101121202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16095162 + ... + 17305445.

It is an arithmetic number, because the mean of its divisors is an integer number (1824758716560).

Almost surely, 2^{20212110121194} is an apocalyptic number.

20212110121194 is an abundant number, since it is smaller than the sum of its proper divisors (23582099076246).

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

20212110121194 is a wasteful number, since it uses less digits than its factorization.

20212110121194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33434234 (or 33434231 counting only the distinct ones).

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

Adding to 20212110121194 its reverse (49112101121202), we get a palindrome (69324211242396).

The spelling of 20212110121194 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred ninety-four".