221222202201122 has 8 divisors (see below), whose sum is σ = 333946891221276. Its totient is φ = 109906571794032.

The previous prime is 221222202201023. The next prime is 221222202201149. The reversal of 221222202201122 is 221102202222122.

It can be written as a sum of positive squares in 2 ways, for example, as 203416595731561 + 17805606469561 = 14262419^2 + 4219669^2 .

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

It is a super-3 number, since 3×221222202201122³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352264652873 + ... + 352264653500.

Almost surely, 2^{221222202201122} is an apocalyptic number.

221222202201122 is a deficient number, since it is larger than the sum of its proper divisors (112724689020154).

221222202201122 is a wasteful number, since it uses less digits than its factorization.

221222202201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704529306532.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 221222202201122 its reverse (221102202222122), we get a palindrome (442324404423244).

The spelling of 221222202201122 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred one thousand, one hundred twenty-two".