212111210110200 has 48 divisors (see below), whose sum is σ = 657544751343480. Its totient is φ = 56562989362560.

The previous prime is 212111210110157. The next prime is 212111210110207. The reversal of 212111210110200 is 2011012111212.

It is a happy number.

It is a super-2 number, since 2×212111210110200² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212111210110200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111210110207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176759341159 + ... + 176759342358.

Almost surely, 2^{212111210110200} is an apocalyptic number.

212111210110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111210110200 is an abundant number, since it is smaller than the sum of its proper divisors (445433541233280).

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

212111210110200 is a wasteful number, since it uses less digits than its factorization.

212111210110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353518683536 (or 353518683527 counting only the distinct ones).

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

Adding to 212111210110200 its reverse (2011012111212), we get a palindrome (214122222221412).

The spelling of 212111210110200 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred ten million, one hundred ten thousand, two hundred".