212101112111000 has 128 divisors (see below), whose sum is σ = 572835005458560. Its totient is φ = 72000377280000.

The previous prime is 212101112110973. The next prime is 212101112111011. The reversal of 212101112111000 is 111211101212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 149293787 + ... + 150707786.

It is an arithmetic number, because the mean of its divisors is an integer number (4475273480145).

Almost surely, 2^{212101112111000} is an apocalyptic number.

212101112111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101112111000 is an abundant number, since it is smaller than the sum of its proper divisors (360733893347560).

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

212101112111000 is a wasteful number, since it uses less digits than its factorization.

212101112111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300001702 (or 300001688 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212101112111000 its reverse (111211101212), we get a palindrome (212212323212212).

The spelling of 212101112111000 in words is "two hundred twelve trillion, one hundred one billion, one hundred twelve million, one hundred eleven thousand".