20011201103112 has 32 divisors (see below), whose sum is σ = 50032697776800. Its totient is φ = 6669774365184.

The previous prime is 20011201103071. The next prime is 20011201103119. The reversal of 20011201103112 is 21130110211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011201103091 and 20011201103100.

It is not an unprimeable number, because it can be changed into a prime (20011201103119) 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, 38864062 + ... + 39375597.

It is an arithmetic number, because the mean of its divisors is an integer number (1563521805525).

Almost surely, 2^{20011201103112} is an apocalyptic number.

It is an amenable number.

20011201103112 is an abundant number, since it is smaller than the sum of its proper divisors (30021496673688).

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

20011201103112 is a wasteful number, since it uses less digits than its factorization.

20011201103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78250325 (or 78250321 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20011201103112 its reverse (21130110211002), we get a palindrome (41141311314114).

The spelling of 20011201103112 in words is "twenty trillion, eleven billion, two hundred one million, one hundred three thousand, one hundred twelve".