212000111112111 has 48 divisors (see below), whose sum is σ = 339953009200128. Its totient is φ = 117052188825600.

The previous prime is 212000111112109. The next prime is 212000111112121. The reversal of 212000111112111 is 111211111000212.

212000111112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212000111112111 - 2¹ = 212000111112109 is a prime.

It is a super-2 number, since 2×212000111112111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000111112121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33367465 + ... + 39209538.

It is an arithmetic number, because the mean of its divisors is an integer number (7082354358336).

Almost surely, 2^{212000111112111} is an apocalyptic number.

212000111112111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212000111112111 is a deficient number, since it is larger than the sum of its proper divisors (127952898088017).

212000111112111 is a wasteful number, since it uses less digits than its factorization.

212000111112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72577692 (or 72577685 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212000111112111 its reverse (111211111000212), we get a palindrome (323211222112323).

The spelling of 212000111112111 in words is "two hundred twelve trillion, one hundred eleven million, one hundred twelve thousand, one hundred eleven".