2110122211212 has 72 divisors (see below), whose sum is σ = 5624027136000. Its totient is φ = 665241808608.

The previous prime is 2110122211189. The next prime is 2110122211289. The reversal of 2110122211212 is 2121122210112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2165388 + ... + 2984819.

It is an arithmetic number, because the mean of its divisors is an integer number (78111488000).

Almost surely, 2^{2110122211212} is an apocalyptic number.

It is an amenable number.

2110122211212 is an abundant number, since it is smaller than the sum of its proper divisors (3513904924788).

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

2110122211212 is a wasteful number, since it uses less digits than its factorization.

2110122211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150835 (or 5150830 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2110122211212 its reverse (2121122210112), we get a palindrome (4231244421324).

The spelling of 2110122211212 in words is "two trillion, one hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twelve".