20102001111112 has 16 divisors (see below), whose sum is σ = 37700658495360. Its totient is φ = 10048492179024.

The previous prime is 20102001111097. The next prime is 20102001111131. The reversal of 20102001111112 is 21111110020102.

It is a happy number.

It is a super-2 number, since 2×20102001111112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20102001111092 and 20102001111101.

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, 313513008 + ... + 313577119.

It is an arithmetic number, because the mean of its divisors is an integer number (2356291155960).

Almost surely, 2^{20102001111112} is an apocalyptic number.

It is an amenable number.

20102001111112 is a deficient number, since it is larger than the sum of its proper divisors (17598657384248).

20102001111112 is a wasteful number, since it uses less digits than its factorization.

20102001111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627094140 (or 627094136 counting only the distinct ones).

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

Adding to 20102001111112 its reverse (21111110020102), we get a palindrome (41213111131214).

The spelling of 20102001111112 in words is "twenty trillion, one hundred two billion, one million, one hundred eleven thousand, one hundred twelve".