222202201121 has 16 divisors (see below), whose sum is σ = 244608517440. Its totient is φ = 200985438720.

The previous prime is 222202201103. The next prime is 222202201127. The reversal of 222202201121 is 121102202222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222202201121 - 2⁶ = 222202201057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 222202201121.

It is not an unprimeable number, because it can be changed into a prime (222202201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332391 + ... + 2425788.

It is an arithmetic number, because the mean of its divisors is an integer number (15288032340).

Almost surely, 2^222202201121 is an apocalyptic number.

It is an amenable number.

222202201121 is a deficient number, since it is larger than the sum of its proper divisors (22406316319).

222202201121 is a wasteful number, since it uses less digits than its factorization.

222202201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758304.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222202201121 its reverse (121102202222), we get a palindrome (343304403343).

The spelling of 222202201121 in words is "two hundred twenty-two billion, two hundred two million, two hundred one thousand, one hundred twenty-one".