221244102133 has 8 divisors (see below), whose sum is σ = 239972082840. Its totient is φ = 203150968320.

The previous prime is 221244102127. The next prime is 221244102139. The reversal of 221244102133 is 331201442122.

It is an interprime number because it is at equal distance from previous prime (221244102127) and next prime (221244102139).

It can be written as a sum of positive squares in 4 ways, for example, as 890843409 + 220353258724 = 29847^2 + 469418^2 .

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

It is not a de Polignac number, because 221244102133 - 2¹⁷ = 221243971061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221244102098 and 221244102107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221244102139) 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, 158710998 + ... + 158712391.

It is an arithmetic number, because the mean of its divisors is an integer number (29996510355).

Almost surely, 2^221244102133 is an apocalyptic number.

It is an amenable number.

221244102133 is a deficient number, since it is larger than the sum of its proper divisors (18727980707).

221244102133 is a wasteful number, since it uses less digits than its factorization.

221244102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317423447.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221244102133 its reverse (331201442122), we get a palindrome (552445544255).

The spelling of 221244102133 in words is "two hundred twenty-one billion, two hundred forty-four million, one hundred two thousand, one hundred thirty-three".