1331121322226 has 8 divisors (see below), whose sum is σ = 2003890222380. Its totient is φ = 663157914768.

The previous prime is 1331121322171. The next prime is 1331121322229. The reversal of 1331121322226 is 6222231211331.

It can be written as a sum of positive squares in 2 ways, for example, as 1323155581225 + 7965741001 = 1150285^2 + 89251^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1331121322229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201372481 + ... + 1201373588.

Almost surely, 2^{1331121322226} is an apocalyptic number.

1331121322226 is a deficient number, since it is larger than the sum of its proper divisors (672768900154).

1331121322226 is a wasteful number, since it uses less digits than its factorization.

1331121322226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402746348.

The product of its digits is 5184, while the sum is 29.

Adding to 1331121322226 its reverse (6222231211331), we get a palindrome (7553352533557).

The spelling of 1331121322226 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty-six".