2121013222 has 8 divisors (see below), whose sum is σ = 3187402272. Its totient is φ = 1058545800.

The previous prime is 2121013199. The next prime is 2121013253. The reversal of 2121013222 is 2223101212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121013196 and 2121013205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 979054 + ... + 981217.

It is an arithmetic number, because the mean of its divisors is an integer number (398425284).

Almost surely, 2^2121013222 is an apocalyptic number.

2121013222 is a deficient number, since it is larger than the sum of its proper divisors (1066389050).

2121013222 is a wasteful number, since it uses less digits than its factorization.

2121013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960814.

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

The square root of 2121013222 is about 46054.4593063473. The cubic root of 2121013222 is about 1284.8362818870.

Adding to 2121013222 its reverse (2223101212), we get a palindrome (4344114434).

The spelling of 2121013222 in words is "two billion, one hundred twenty-one million, thirteen thousand, two hundred twenty-two".