211200111112020 has 96 divisors (see below), whose sum is σ = 594910766419200. Its totient is φ = 55982844893184.

The previous prime is 211200111112019. The next prime is 211200111112171. The reversal of 211200111112020 is 20211111002112.

It is a happy number.

211200111112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7818309 + ... + 21989228.

It is an arithmetic number, because the mean of its divisors is an integer number (6196987150200).

Almost surely, 2^{211200111112020} is an apocalyptic number.

211200111112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211200111112020 is an abundant number, since it is smaller than the sum of its proper divisors (383710655307180).

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

211200111112020 is a wasteful number, since it uses less digits than its factorization.

211200111112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29808257 (or 29808255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211200111112020 its reverse (20211111002112), we get a palindrome (231411222114132).

The spelling of 211200111112020 in words is "two hundred eleven trillion, two hundred billion, one hundred eleven million, one hundred twelve thousand, twenty".