20011101210112 has 40 divisors (see below), whose sum is σ = 40002729505200. Its totient is φ = 10000642996224.

The previous prime is 20011101210083. The next prime is 20011101210131. The reversal of 20011101210112 is 21101210111002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20011101210092 and 20011101210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8540187 + ... + 10628122.

It is an arithmetic number, because the mean of its divisors is an integer number (1000068237630).

Almost surely, 2^{20011101210112} is an apocalyptic number.

It is an amenable number.

20011101210112 is a deficient number, since it is larger than the sum of its proper divisors (19991628295088).

20011101210112 is an equidigital number, since it uses as much as digits as its factorization.

20011101210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19170366 (or 19170350 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20011101210112 its reverse (21101210111002), we get a palindrome (41112311321114).

The spelling of 20011101210112 in words is "twenty trillion, eleven billion, one hundred one million, two hundred ten thousand, one hundred twelve".