20211112220112 has 200 divisors, whose sum is σ = 65298780565920. Its totient is φ = 5982147198720.

The previous prime is 20211112220063. The next prime is 20211112220237. The reversal of 20211112220112 is 21102221111202.

It is a super-3 number, since 3×20211112220112³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15872187 + ... + 17098202.

Almost surely, 2^{20211112220112} is an apocalyptic number.

20211112220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20211112220112 is an abundant number, since it is smaller than the sum of its proper divisors (45087668345808).

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

20211112220112 is a wasteful number, since it uses less digits than its factorization.

20211112220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970463 (or 32970448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20211112220112 its reverse (21102221111202), we get a palindrome (41313333331314).

The spelling of 20211112220112 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twelve".