222031333121 has 4 divisors (see below), whose sum is σ = 239110666452. Its totient is φ = 204951999792.

The previous prime is 222031333109. The next prime is 222031333151. The reversal of 222031333121 is 121333130222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86636035600 + 135395297521 = 294340^2 + 367961^2 .

It is a cyclic number.

It is not a de Polignac number, because 222031333121 - 2⁶ = 222031333057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222031333151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539666646 + ... + 8539666671.

It is an arithmetic number, because the mean of its divisors is an integer number (59777666613).

Almost surely, 2^222031333121 is an apocalyptic number.

It is an amenable number.

222031333121 is a deficient number, since it is larger than the sum of its proper divisors (17079333331).

222031333121 is a wasteful number, since it uses less digits than its factorization.

222031333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079333330.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 222031333121 its reverse (121333130222), we get a palindrome (343364463343).

The spelling of 222031333121 in words is "two hundred twenty-two billion, thirty-one million, three hundred thirty-three thousand, one hundred twenty-one".