2121130223222 has 16 divisors (see below), whose sum is σ = 3211526024640. Its totient is φ = 1050622136328.

The previous prime is 2121130223089. The next prime is 2121130223237. The reversal of 2121130223222 is 2223220311212.

It is a happy number.

It is a super-3 number, since 3×2121130223222³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190029 + ... + 8445047.

It is an arithmetic number, because the mean of its divisors is an integer number (200720376540).

Almost surely, 2^{2121130223222} is an apocalyptic number.

2121130223222 is a deficient number, since it is larger than the sum of its proper divisors (1090395801418).

2121130223222 is a wasteful number, since it uses less digits than its factorization.

2121130223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293995.

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

Adding to 2121130223222 its reverse (2223220311212), we get a palindrome (4344350534434).

The spelling of 2121130223222 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, two hundred twenty-two".