222202023211121 has 8 divisors (see below), whose sum is σ = 235282577820264. Its totient is φ = 209122562753280.

The previous prime is 222202023211013. The next prime is 222202023211139. The reversal of 222202023211121 is 121112320202222.

It can be written as a sum of positive squares in 4 ways, for example, as 48920078615521 + 173281944595600 = 6994289^2 + 13163660^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222202023211121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202020211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273119690 + ... + 273932051.

It is an arithmetic number, because the mean of its divisors is an integer number (29410322227533).

Almost surely, 2^{222202023211121} is an apocalyptic number.

It is an amenable number.

222202023211121 is a deficient number, since it is larger than the sum of its proper divisors (13080554609143).

222202023211121 is a wasteful number, since it uses less digits than its factorization.

222202023211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547075651.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222202023211121 its reverse (121112320202222), we get a palindrome (343314343413343).

The spelling of 222202023211121 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-three million, two hundred eleven thousand, one hundred twenty-one".