212011021111110 has 32 divisors (see below), whose sum is σ = 547966946872800. Its totient is φ = 52187328273408.

The previous prime is 212011021111079. The next prime is 212011021111147. The reversal of 212011021111110 is 11111120110212.

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 212011021111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271809001035 + ... + 271809001814.

It is an arithmetic number, because the mean of its divisors is an integer number (17123967089775).

Almost surely, 2^{212011021111110} is an apocalyptic number.

212011021111110 is an abundant number, since it is smaller than the sum of its proper divisors (335955925761690).

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

212011021111110 is a wasteful number, since it uses less digits than its factorization.

212011021111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543618002872.

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

Adding to 212011021111110 its reverse (11111120110212), we get a palindrome (223122141221322).

The spelling of 212011021111110 in words is "two hundred twelve trillion, eleven billion, twenty-one million, one hundred eleven thousand, one hundred ten".