2213121023222 has 32 divisors (see below), whose sum is σ = 3409526421504. Its totient is φ = 1076754606400.

The previous prime is 2213121023213. The next prime is 2213121023237. The reversal of 2213121023222 is 2223201213122.

It is a happy number.

It is a super-2 number, since 2×2213121023222² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 164086163 + ... + 164099649.

It is an arithmetic number, because the mean of its divisors is an integer number (106547700672).

Almost surely, 2^{2213121023222} is an apocalyptic number.

2213121023222 is a deficient number, since it is larger than the sum of its proper divisors (1196405398282).

2213121023222 is a wasteful number, since it uses less digits than its factorization.

2213121023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18604.

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

Adding to 2213121023222 its reverse (2223201213122), we get a palindrome (4436322236344).

The spelling of 2213121023222 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, twenty-three thousand, two hundred twenty-two".