20211200120112 has 80 divisors (see below), whose sum is σ = 52724540850912. Its totient is φ = 6671212134400.

The previous prime is 20211200120063. The next prime is 20211200120119. The reversal of 20211200120112 is 21102100211202.

It is a super-2 number, since 2×20211200120112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211200120091 and 20211200120100.

It is not an unprimeable number, because it can be changed into a prime (20211200120119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195293 + ... + 6469244.

Almost surely, 2^{20211200120112} is an apocalyptic number.

It is an amenable number.

20211200120112 is an abundant number, since it is smaller than the sum of its proper divisors (32513340730800).

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

20211200120112 is a wasteful number, since it uses less digits than its factorization.

20211200120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665086 (or 7665080 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211200120112 its reverse (21102100211202), we get a palindrome (41313300331314).

The spelling of 20211200120112 in words is "twenty trillion, two hundred eleven billion, two hundred million, one hundred twenty thousand, one hundred twelve".