2222121223130 has 16 divisors (see below), whose sum is σ = 3999855315744. Its totient is φ = 888840241680.

The previous prime is 2222121223123. The next prime is 2222121223139. The reversal of 2222121223130 is 313221212222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2222121223096 and 2222121223105.

It is not an unprimeable number, because it can be changed into a prime (2222121223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166925 + ... + 2114735.

It is an arithmetic number, because the mean of its divisors is an integer number (249990957234).

Almost surely, 2^{2222121223130} is an apocalyptic number.

2222121223130 is a deficient number, since it is larger than the sum of its proper divisors (1777734092614).

2222121223130 is a wasteful number, since it uses less digits than its factorization.

2222121223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061901.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2222121223130 its reverse (313221212222), we get a palindrome (2535342435352).

The spelling of 2222121223130 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty".