2110220121222 has 40 divisors (see below), whose sum is σ = 5006600686296. Its totient is φ = 662029841088.

The previous prime is 2110220121199. The next prime is 2110220121223. The reversal of 2110220121222 is 2221210220112.

It is a happy number.

2110220121222 is a `hidden beast` number, since 211 + 0 + 220 + 1 + 212 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2110220121195 and 2110220121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110220121223) 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 19 ways as a sum of consecutive naturals, for example, 383116368 + ... + 383121875.

Almost surely, 2^{2110220121222} is an apocalyptic number.

2110220121222 is an abundant number, since it is smaller than the sum of its proper divisors (2896380565074).

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

2110220121222 is a wasteful number, since it uses less digits than its factorization.

2110220121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766238274 (or 766238265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2110220121222 its reverse (2221210220112), we get a palindrome (4331430341334).

The spelling of 2110220121222 in words is "two trillion, one hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".