20020111112 has 32 divisors (see below), whose sum is σ = 38033280000. Its totient is φ = 9878039808.

The previous prime is 20020111091. The next prime is 20020111231. The reversal of 20020111112 is 21111102002.

It is a junction number, because it is equal to n+sod(n) for n = 20020111093 and 20020111102.

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, 1338089 + ... + 1352967.

It is an arithmetic number, because the mean of its divisors is an integer number (1188540000).

Almost surely, 2^20020111112 is an apocalyptic number.

It is an amenable number.

20020111112 is a deficient number, since it is larger than the sum of its proper divisors (18013168888).

20020111112 is a wasteful number, since it uses less digits than its factorization.

20020111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093 (or 17089 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20020111112 its reverse (21111102002), we get a palindrome (41131213114).

The spelling of 20020111112 in words is "twenty billion, twenty million, one hundred eleven thousand, one hundred twelve".