2120122021222 has 32 divisors (see below), whose sum is σ = 3540958110720. Its totient is φ = 947445491520.

The previous prime is 2120122021217. The next prime is 2120122021223. The reversal of 2120122021222 is 2221202210212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2120122021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120122021223) 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, 16551054 + ... + 16678657.

It is an arithmetic number, because the mean of its divisors is an integer number (110654940960).

Almost surely, 2^{2120122021222} is an apocalyptic number.

2120122021222 is a deficient number, since it is larger than the sum of its proper divisors (1420836089498).

2120122021222 is a wasteful number, since it uses less digits than its factorization.

2120122021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33229828.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2120122021222 its reverse (2221202210212), we get a palindrome (4341324231434).

The spelling of 2120122021222 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-two".