2221331323133 has 8 divisors (see below), whose sum is σ = 2392562624088. Its totient is φ = 2050151402304.

The previous prime is 2221331323129. The next prime is 2221331323177. The reversal of 2221331323133 is 3313231331222.

It can be written as a sum of positive squares in 4 ways, for example, as 33378559204 + 2187952763929 = 182698^2 + 1479173^2 .

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 2221331323133 - 2² = 2221331323129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221331323096 and 2221331323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221331323193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12755210 + ... + 12928187.

It is an arithmetic number, because the mean of its divisors is an integer number (299070328011).

Almost surely, 2^{2221331323133} is an apocalyptic number.

It is an amenable number.

2221331323133 is a deficient number, since it is larger than the sum of its proper divisors (171231300955).

2221331323133 is a wasteful number, since it uses less digits than its factorization.

2221331323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25690063.

The product of its digits is 11664, while the sum is 29.

Adding to 2221331323133 its reverse (3313231331222), we get a palindrome (5534562654355).

The spelling of 2221331323133 in words is "two trillion, two hundred twenty-one billion, three hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-three".