222121130322 has 64 divisors (see below), whose sum is σ = 546814033920. Its totient is φ = 58575576384.

The previous prime is 222121130299. The next prime is 222121130377. The reversal of 222121130322 is 223031121222.

It is a super-3 number, since 3×222121130322³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10319023 + ... + 10340525.

It is an arithmetic number, because the mean of its divisors is an integer number (8543969280).

Almost surely, 2^222121130322 is an apocalyptic number.

222121130322 is an abundant number, since it is smaller than the sum of its proper divisors (324692903598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222121130322 is a wasteful number, since it uses less digits than its factorization.

222121130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40447.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222121130322 its reverse (223031121222), we get a palindrome (445152251544).

The spelling of 222121130322 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twenty-two".