20200111011112 has 32 divisors (see below), whose sum is σ = 38579908672800. Its totient is φ = 9913867349184.

The previous prime is 20200111011079. The next prime is 20200111011169. The reversal of 20200111011112 is 21111011100202.

It is a happy number.

It is a super-2 number, since 2×20200111011112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200111011092 and 20200111011101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108155598 + ... + 108342205.

It is an arithmetic number, because the mean of its divisors is an integer number (1205622146025).

Almost surely, 2^{20200111011112} is an apocalyptic number.

It is an amenable number.

20200111011112 is a deficient number, since it is larger than the sum of its proper divisors (18379797661688).

20200111011112 is a wasteful number, since it uses less digits than its factorization.

20200111011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216498025 (or 216498021 counting only the distinct ones).

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

Adding to 20200111011112 its reverse (21111011100202), we get a palindrome (41311122111314).

The spelling of 20200111011112 in words is "twenty trillion, two hundred billion, one hundred eleven million, eleven thousand, one hundred twelve".