212111110112110 has 64 divisors (see below), whose sum is σ = 420645675875328. Its totient is φ = 76365324400000.

The previous prime is 212111110112089. The next prime is 212111110112123. The reversal of 212111110112110 is 11211011111212.

It is a super-2 number, since 2×212111110112110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390478395 + ... + 391021225.

It is an arithmetic number, because the mean of its divisors is an integer number (6572588685552).

Almost surely, 2^{212111110112110} is an apocalyptic number.

212111110112110 is a deficient number, since it is larger than the sum of its proper divisors (208534565763218).

212111110112110 is a wasteful number, since it uses less digits than its factorization.

212111110112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578121.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 212111110112110 its reverse (11211011111212), we get a palindrome (223322121223322).

It can be divided in two parts, 2121111 and 10112110, that added together give a palindrome (12233221).

The spelling of 212111110112110 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred ten million, one hundred twelve thousand, one hundred ten".