20020112111102 has 32 divisors (see below), whose sum is σ = 30254976921600. Its totient is φ = 9935339195808.

The previous prime is 20020112111059. The next prime is 20020112111159. The reversal of 20020112111102 is 20111121102002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199303468 + ... + 1199320160.

It is an arithmetic number, because the mean of its divisors is an integer number (945468028800).

Almost surely, 2^{20020112111102} is an apocalyptic number.

20020112111102 is a deficient number, since it is larger than the sum of its proper divisors (10234864810498).

20020112111102 is a wasteful number, since it uses less digits than its factorization.

20020112111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20020112111102 its reverse (20111121102002), we get a palindrome (40131233213104).

The spelling of 20020112111102 in words is "twenty trillion, twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred two".