2111212211110 has 32 divisors (see below), whose sum is σ = 3807592381440. Its totient is φ = 842838508512.

The previous prime is 2111212211063. The next prime is 2111212211113. The reversal of 2111212211110 is 111122121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111212211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58111531 + ... + 58147849.

It is an arithmetic number, because the mean of its divisors is an integer number (118987261920).

Almost surely, 2^{2111212211110} is an apocalyptic number.

2111212211110 is a deficient number, since it is larger than the sum of its proper divisors (1696380170330).

2111212211110 is a wasteful number, since it uses less digits than its factorization.

2111212211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47500.

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

Adding to 2111212211110 its reverse (111122121112), we get a palindrome (2222334332222).

The spelling of 2111212211110 in words is "two trillion, one hundred eleven billion, two hundred twelve million, two hundred eleven thousand, one hundred ten".