212101210111000 has 64 divisors (see below), whose sum is σ = 567219236201280. Its totient is φ = 72720414892800.

The previous prime is 212101210110901. The next prime is 212101210111001. The reversal of 212101210111000 is 111012101212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101210111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15150079437 + ... + 15150093436.

It is an arithmetic number, because the mean of its divisors is an integer number (8862800565645).

Almost surely, 2^{212101210111000} is an apocalyptic number.

212101210111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101210111000 is an abundant number, since it is smaller than the sum of its proper divisors (355118026090280).

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

212101210111000 is a wasteful number, since it uses less digits than its factorization.

212101210111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300172901 (or 30300172887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212101210111000 its reverse (111012101212), we get a palindrome (212212222212212).

The spelling of 212101210111000 in words is "two hundred twelve trillion, one hundred one billion, two hundred ten million, one hundred eleven thousand".