212110110121110 has 64 divisors (see below), whose sum is σ = 525502542827520. Its totient is φ = 54736337658240.

The previous prime is 212110110121099. The next prime is 212110110121111. The reversal of 212110110121110 is 11121011011212.

212110110121110 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 212110110121110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110110121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25485504 + ... + 32767836.

It is an arithmetic number, because the mean of its divisors is an integer number (8210977231680).

Almost surely, 2^{212110110121110} is an apocalyptic number.

212110110121110 is an abundant number, since it is smaller than the sum of its proper divisors (313392432706410).

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

212110110121110 is a wasteful number, since it uses less digits than its factorization.

212110110121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313693.

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

Adding to 212110110121110 its reverse (11121011011212), we get a palindrome (223231121132322).

The spelling of 212110110121110 in words is "two hundred twelve trillion, one hundred ten billion, one hundred ten million, one hundred twenty-one thousand, one hundred ten".