2121103222 has 16 divisors (see below), whose sum is σ = 3672181152. Its totient is φ = 900043200.

The previous prime is 2121103207. The next prime is 2121103241. The reversal of 2121103222 is 2223011212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121103196 and 2121103205.

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, 748623 + ... + 751450.

It is an arithmetic number, because the mean of its divisors is an integer number (229511322).

Almost surely, 2^2121103222 is an apocalyptic number.

2121103222 is a deficient number, since it is larger than the sum of its proper divisors (1551077930).

2121103222 is a wasteful number, since it uses less digits than its factorization.

2121103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500183.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121103222 is about 46055.4364000603. The cubic root of 2121103222 is about 1284.8544545899.

Adding to 2121103222 its reverse (2223011212), we get a palindrome (4344114434).

The spelling of 2121103222 in words is "two billion, one hundred twenty-one million, one hundred three thousand, two hundred twenty-two".