221022111001133 has 8 divisors (see below), whose sum is σ = 238044230970168. Its totient is φ = 204002908049664.

The previous prime is 221022111001103. The next prime is 221022111001157. The reversal of 221022111001133 is 331100111220122.

It can be written as a sum of positive squares in 4 ways, for example, as 16536601176484 + 204485509824649 = 4066522^2 + 14299843^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 221022111001133 - 2⁸ = 221022111000877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022111001103) 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, 729097016 + ... + 729400097.

It is an arithmetic number, because the mean of its divisors is an integer number (29755528871271).

Almost surely, 2^{221022111001133} is an apocalyptic number.

It is an amenable number.

221022111001133 is a deficient number, since it is larger than the sum of its proper divisors (17022119969035).

221022111001133 is a wasteful number, since it uses less digits than its factorization.

221022111001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458508783.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 221022111001133 its reverse (331100111220122), we get a palindrome (552122222221255).

The spelling of 221022111001133 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred eleven million, one thousand, one hundred thirty-three".