221133200122 has 8 divisors (see below), whose sum is σ = 335426764500. Its totient is φ = 109324278624.

The previous prime is 221133200081. The next prime is 221133200131. The reversal of 221133200122 is 221002331122.

It can be written as a sum of positive squares in 2 ways, for example, as 187871100481 + 33262099641 = 433441^2 + 182379^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 221133200122.

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, 621160497 + ... + 621160852.

Almost surely, 2^221133200122 is an apocalyptic number.

221133200122 is a deficient number, since it is larger than the sum of its proper divisors (114293564378).

221133200122 is a wasteful number, since it uses less digits than its factorization.

221133200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242321440.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221133200122 its reverse (221002331122), we get a palindrome (442135531244).

The spelling of 221133200122 in words is "two hundred twenty-one billion, one hundred thirty-three million, two hundred thousand, one hundred twenty-two".